./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.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_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b78a1de0122078b80177387d59eedcdf8d73ccef913955b4bda0200e53e1d3da
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-53f42b1
[2021-11-20 07:46:59,277 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-20 07:46:59,280 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-20 07:46:59,337 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-20 07:46:59,338 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-20 07:46:59,342 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-20 07:46:59,344 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-20 07:46:59,348 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-20 07:46:59,351 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-20 07:46:59,356 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-20 07:46:59,357 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-20 07:46:59,359 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-20 07:46:59,360 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-20 07:46:59,362 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-20 07:46:59,365 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-20 07:46:59,369 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-20 07:46:59,371 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-20 07:46:59,372 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-20 07:46:59,374 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-20 07:46:59,381 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-20 07:46:59,383 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-20 07:46:59,385 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-20 07:46:59,388 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-20 07:46:59,389 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-20 07:46:59,398 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-20 07:46:59,398 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-20 07:46:59,399 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-20 07:46:59,401 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-20 07:46:59,402 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-20 07:46:59,403 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-20 07:46:59,404 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-20 07:46:59,405 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-20 07:46:59,407 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-20 07:46:59,408 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-20 07:46:59,410 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-20 07:46:59,410 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-20 07:46:59,411 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-20 07:46:59,411 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-20 07:46:59,412 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-20 07:46:59,413 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-20 07:46:59,414 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-20 07:46:59,415 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2021-11-20 07:46:59,458 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-20 07:46:59,458 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-20 07:46:59,459 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-20 07:46:59,459 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-20 07:46:59,460 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-20 07:46:59,460 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-20 07:46:59,461 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-20 07:46:59,461 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-20 07:46:59,462 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-20 07:46:59,462 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-20 07:46:59,463 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-20 07:46:59,463 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-20 07:46:59,463 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-20 07:46:59,464 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-20 07:46:59,464 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-20 07:46:59,464 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-20 07:46:59,464 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-20 07:46:59,465 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-20 07:46:59,465 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-20 07:46:59,465 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-20 07:46:59,465 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-20 07:46:59,466 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-20 07:46:59,466 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-20 07:46:59,466 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-11-20 07:46:59,466 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-20 07:46:59,467 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 07:46:59,467 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-20 07:46:59,467 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-20 07:46:59,467 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-20 07:46:59,469 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-11-20 07:46:59,469 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-20 07:46:59,469 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-11-20 07:46:59,470 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-11-20 07:46:59,470 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-20 07:46:59,470 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-11-20 07:46:59,470 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-11-20 07:46:59,471 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_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/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_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d
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 -> GemCutter
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 -> b78a1de0122078b80177387d59eedcdf8d73ccef913955b4bda0200e53e1d3da
[2021-11-20 07:46:59,798 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-20 07:46:59,833 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-20 07:46:59,835 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-20 07:46:59,837 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-20 07:46:59,838 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-20 07:46:59,839 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c
[2021-11-20 07:46:59,908 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/data/ca454f4be/a55dacdf5ad64204aa4ec5d350e4efc5/FLAG4a3eacefd
[2021-11-20 07:47:00,430 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-20 07:47:00,430 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c
[2021-11-20 07:47:00,443 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/data/ca454f4be/a55dacdf5ad64204aa4ec5d350e4efc5/FLAG4a3eacefd
[2021-11-20 07:47:00,765 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/data/ca454f4be/a55dacdf5ad64204aa4ec5d350e4efc5
[2021-11-20 07:47:00,769 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-20 07:47:00,771 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-20 07:47:00,774 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-20 07:47:00,774 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-20 07:47:00,777 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-20 07:47:00,777 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:47:00" (1/1) ...
[2021-11-20 07:47:00,780 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23828591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:00, skipping insertion in model container
[2021-11-20 07:47:00,781 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:47:00" (1/1) ...
[2021-11-20 07:47:00,787 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-20 07:47:00,811 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-20 07:47:01,046 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_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c[2482,2495]
[2021-11-20 07:47:01,055 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-20 07:47:01,062 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-20 07:47:01,084 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_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c[2482,2495]
[2021-11-20 07:47:01,088 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-20 07:47:01,100 INFO  L208         MainTranslator]: Completed translation
[2021-11-20 07:47:01,100 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:01 WrapperNode
[2021-11-20 07:47:01,101 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-20 07:47:01,102 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-20 07:47:01,102 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-20 07:47:01,102 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-20 07:47:01,109 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:01" (1/1) ...
[2021-11-20 07:47:01,118 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:01" (1/1) ...
[2021-11-20 07:47:01,146 INFO  L137                Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 198
[2021-11-20 07:47:01,146 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-20 07:47:01,147 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-20 07:47:01,147 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-20 07:47:01,147 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-20 07:47:01,156 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:01" (1/1) ...
[2021-11-20 07:47:01,156 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:01" (1/1) ...
[2021-11-20 07:47:01,159 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:01" (1/1) ...
[2021-11-20 07:47:01,160 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:01" (1/1) ...
[2021-11-20 07:47:01,169 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:01" (1/1) ...
[2021-11-20 07:47:01,174 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:01" (1/1) ...
[2021-11-20 07:47:01,176 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:01" (1/1) ...
[2021-11-20 07:47:01,180 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-20 07:47:01,180 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-20 07:47:01,181 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-20 07:47:01,181 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-20 07:47:01,182 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:01" (1/1) ...
[2021-11-20 07:47:01,188 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 07:47:01,204 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:47:01,230 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-20 07:47:01,242 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-20 07:47:01,269 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-20 07:47:01,269 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-20 07:47:01,269 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-11-20 07:47:01,269 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-11-20 07:47:01,269 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-11-20 07:47:01,270 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-11-20 07:47:01,270 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-11-20 07:47:01,270 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-11-20 07:47:01,270 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-20 07:47:01,270 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-20 07:47:01,270 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-20 07:47:01,270 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-20 07:47:01,271 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-20 07:47:01,272 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-11-20 07:47:01,363 INFO  L236             CfgBuilder]: Building ICFG
[2021-11-20 07:47:01,364 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-20 07:47:01,743 INFO  L277             CfgBuilder]: Performing block encoding
[2021-11-20 07:47:01,758 INFO  L296             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-20 07:47:01,769 INFO  L301             CfgBuilder]: Removed 4 assume(true) statements.
[2021-11-20 07:47:01,771 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:47:01 BoogieIcfgContainer
[2021-11-20 07:47:01,771 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-20 07:47:01,772 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-20 07:47:01,772 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-20 07:47:01,776 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-20 07:47:01,776 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:47:00" (1/3) ...
[2021-11-20 07:47:01,777 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6246857d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:47:01, skipping insertion in model container
[2021-11-20 07:47:01,777 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:01" (2/3) ...
[2021-11-20 07:47:01,777 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6246857d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:47:01, skipping insertion in model container
[2021-11-20 07:47:01,777 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:47:01" (3/3) ...
[2021-11-20 07:47:01,779 INFO  L111   eAbstractionObserver]: Analyzing ICFG chl-array-int-symm.wvr.c
[2021-11-20 07:47:01,783 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-11-20 07:47:01,784 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-20 07:47:01,784 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-20 07:47:01,784 INFO  L513   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-11-20 07:47:01,825 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,825 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,826 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,826 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,826 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,826 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,827 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,827 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,827 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,827 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,828 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,828 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,828 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,828 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,829 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,829 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,829 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,829 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,830 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,830 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,830 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,830 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,831 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,831 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,831 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,831 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,831 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,832 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,832 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,832 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,832 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,832 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,833 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,833 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,833 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,833 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,833 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,834 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,834 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,834 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,834 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,835 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,835 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,835 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,835 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,835 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,836 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,836 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,836 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,836 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,837 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,837 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,837 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,837 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,837 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,838 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,838 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,838 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,838 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,838 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,839 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,839 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,839 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,839 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,840 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,840 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,840 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,840 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,840 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,841 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,841 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,841 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,841 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,841 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,842 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,842 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,842 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,842 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,842 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,843 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,843 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,843 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,843 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,844 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,844 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,844 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,844 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,844 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,851 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,852 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,852 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,852 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,852 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,853 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,853 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,853 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,853 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,854 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,854 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,854 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,854 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,854 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,855 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,855 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,855 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,855 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,855 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,856 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,856 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,856 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,856 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,856 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,857 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,857 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,857 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,857 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,857 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,858 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,858 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,858 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,858 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,859 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,860 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,860 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,860 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,860 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,861 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,862 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,863 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,863 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,863 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,864 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,865 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,865 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,865 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,866 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,866 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,866 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,867 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,867 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,867 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,867 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,867 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,868 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,868 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,868 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,868 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,868 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,869 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,869 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,869 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,869 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,870 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,870 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,870 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,870 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,870 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,871 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,871 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,872 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,872 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,872 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,872 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,873 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,873 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,873 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,874 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,874 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,874 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,874 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,875 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,875 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,875 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,875 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,876 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,876 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,876 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,877 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,877 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,877 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,877 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,878 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,878 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,878 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,879 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,879 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,880 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,880 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,880 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,881 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,881 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,881 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,881 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,881 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,882 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,882 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,882 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,882 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,883 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,884 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,884 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,884 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,884 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,885 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,885 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,885 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,886 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,887 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,889 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,890 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,890 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,891 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,891 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,891 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,892 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,892 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,895 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,900 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,900 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,901 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,901 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,901 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,901 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,913 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,913 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,914 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,914 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,914 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,914 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,914 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,915 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,915 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,915 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,915 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,915 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,922 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,922 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,922 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,922 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,924 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,925 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,925 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,925 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,925 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,930 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,930 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,930 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,930 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,930 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,930 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,931 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,931 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,934 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,934 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,934 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,934 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,934 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,935 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,935 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,935 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,935 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,935 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,935 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,936 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,936 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,936 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,936 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,936 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,939 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,942 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,942 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,942 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,942 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,942 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,942 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,943 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,943 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,943 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,943 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,943 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,943 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,944 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,944 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,944 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:47:01,949 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2021-11-20 07:47:02,010 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-11-20 07:47:02,010 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:47:02,013 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-11-20 07:47:02,031 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-11-20 07:47:02,056 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-11-20 07:47:02,062 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=PARTIAL_ORDER_FA, 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 07:47:02,063 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-11-20 07:47:02,270 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:02,275 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:02,275 INFO  L85        PathProgramCache]: Analyzing trace with hash -1560239971, now seen corresponding path program 1 times
[2021-11-20 07:47:02,284 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:02,284 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594809318]
[2021-11-20 07:47:02,284 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:02,285 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:02,408 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:02,499 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:02,499 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:02,500 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594809318]
[2021-11-20 07:47:02,500 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594809318] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:47:02,500 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:47:02,501 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-20 07:47:02,502 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586629695]
[2021-11-20 07:47:02,502 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:47:02,508 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-20 07:47:02,508 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:02,529 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-20 07:47:02,530 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-20 07:47:02,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:02,538 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:02,539 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 67.0) internal successors, (134), 2 states have internal predecessors, (134), 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)
[2021-11-20 07:47:02,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:02,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:02,596 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-20 07:47:02,596 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:02,602 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:02,602 INFO  L85        PathProgramCache]: Analyzing trace with hash 1262905071, now seen corresponding path program 1 times
[2021-11-20 07:47:02,602 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:02,603 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322574987]
[2021-11-20 07:47:02,603 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:02,603 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:02,758 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:03,553 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:03,553 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:03,553 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322574987]
[2021-11-20 07:47:03,554 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322574987] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:47:03,554 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:47:03,554 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20
[2021-11-20 07:47:03,554 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063524978]
[2021-11-20 07:47:03,554 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:47:03,559 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2021-11-20 07:47:03,560 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:03,560 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2021-11-20 07:47:03,561 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380
[2021-11-20 07:47:03,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:03,562 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:03,562 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 20 states, 20 states have (on average 6.35) internal successors, (127), 20 states have internal predecessors, (127), 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)
[2021-11-20 07:47:03,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:03,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:05,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:05,088 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2021-11-20 07:47:05,088 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-20 07:47:05,088 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:05,089 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:05,089 INFO  L85        PathProgramCache]: Analyzing trace with hash -388868859, now seen corresponding path program 1 times
[2021-11-20 07:47:05,089 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:05,090 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125544484]
[2021-11-20 07:47:05,090 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:05,090 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:05,117 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:05,212 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:05,212 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:05,212 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125544484]
[2021-11-20 07:47:05,213 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125544484] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:47:05,213 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:47:05,213 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-20 07:47:05,213 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524634252]
[2021-11-20 07:47:05,213 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:47:05,214 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-20 07:47:05,215 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:05,215 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-20 07:47:05,215 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2021-11-20 07:47:05,216 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:05,216 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:05,216 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 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)
[2021-11-20 07:47:05,216 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:05,216 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2021-11-20 07:47:05,216 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:05,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:05,416 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-20 07:47:05,416 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-20 07:47:05,416 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-20 07:47:05,416 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:05,417 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:05,417 INFO  L85        PathProgramCache]: Analyzing trace with hash -79887357, now seen corresponding path program 1 times
[2021-11-20 07:47:05,417 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:05,418 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723139459]
[2021-11-20 07:47:05,418 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:05,418 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:05,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:05,525 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:05,525 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:05,526 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723139459]
[2021-11-20 07:47:05,526 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723139459] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:47:05,526 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:47:05,526 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-20 07:47:05,527 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921234922]
[2021-11-20 07:47:05,527 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:47:05,527 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-20 07:47:05,528 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:05,528 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-20 07:47:05,528 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2021-11-20 07:47:05,528 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:05,529 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:05,529 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 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)
[2021-11-20 07:47:05,529 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:05,529 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-20 07:47:05,529 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-20 07:47:05,530 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:05,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:05,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-20 07:47:05,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-20 07:47:05,667 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-20 07:47:05,667 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-20 07:47:05,667 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:05,668 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:05,668 INFO  L85        PathProgramCache]: Analyzing trace with hash 1200667784, now seen corresponding path program 1 times
[2021-11-20 07:47:05,668 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:05,668 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123615674]
[2021-11-20 07:47:05,668 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:05,669 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:05,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:05,905 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:05,905 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:05,905 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123615674]
[2021-11-20 07:47:05,905 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123615674] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:47:05,906 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188335401]
[2021-11-20 07:47:05,906 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:05,906 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:47:05,906 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:47:05,910 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:47:05,928 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-11-20 07:47:06,005 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:06,027 INFO  L263         TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 16 conjunts are in the unsatisfiable core
[2021-11-20 07:47:06,036 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:47:06,820 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:06,821 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:47:07,535 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:07,535 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188335401] provided 1 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:47:07,535 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2021-11-20 07:47:07,535 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15, 14] total 30
[2021-11-20 07:47:07,535 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170417960]
[2021-11-20 07:47:07,535 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:47:07,536 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2021-11-20 07:47:07,536 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:07,536 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-11-20 07:47:07,537 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870
[2021-11-20 07:47:07,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:07,537 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:07,537 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 14 states have internal predecessors, (134), 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)
[2021-11-20 07:47:07,537 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:07,537 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-20 07:47:07,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-20 07:47:07,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-20 07:47:07,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:08,259 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:08,259 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:08,259 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:08,259 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:08,260 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:08,294 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2021-11-20 07:47:08,460 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:47:08,461 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:08,461 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:08,461 INFO  L85        PathProgramCache]: Analyzing trace with hash 526799831, now seen corresponding path program 1 times
[2021-11-20 07:47:08,461 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:08,462 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407417686]
[2021-11-20 07:47:08,462 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:08,462 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:08,490 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:08,695 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:08,695 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:08,696 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407417686]
[2021-11-20 07:47:08,696 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407417686] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:47:08,696 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393031937]
[2021-11-20 07:47:08,696 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:08,696 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:47:08,696 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:47:08,697 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:47:08,713 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-11-20 07:47:08,778 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:08,780 INFO  L263         TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 16 conjunts are in the unsatisfiable core
[2021-11-20 07:47:08,785 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:47:09,501 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:09,501 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:47:10,191 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:10,191 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [393031937] provided 1 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:47:10,192 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2021-11-20 07:47:10,192 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15, 14] total 30
[2021-11-20 07:47:10,192 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541500343]
[2021-11-20 07:47:10,192 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:47:10,193 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2021-11-20 07:47:10,193 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:10,194 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-11-20 07:47:10,194 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870
[2021-11-20 07:47:10,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:10,195 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:10,195 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 14 states have internal predecessors, (134), 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)
[2021-11-20 07:47:10,195 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:10,195 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:10,195 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:10,196 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:10,196 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:10,196 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:10,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:10,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:10,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:10,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:10,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:10,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:47:10,689 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-11-20 07:47:10,882 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:47:10,882 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:10,882 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:10,883 INFO  L85        PathProgramCache]: Analyzing trace with hash 36283677, now seen corresponding path program 1 times
[2021-11-20 07:47:10,883 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:10,883 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707117440]
[2021-11-20 07:47:10,883 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:10,883 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:10,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:10,976 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-11-20 07:47:10,976 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:10,977 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707117440]
[2021-11-20 07:47:10,977 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707117440] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:47:10,977 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:47:10,977 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-20 07:47:10,977 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832364377]
[2021-11-20 07:47:10,978 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:47:10,978 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-20 07:47:10,978 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:10,979 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-20 07:47:10,979 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2021-11-20 07:47:10,979 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:10,979 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:10,980 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 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)
[2021-11-20 07:47:10,980 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:10,980 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:10,980 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:10,980 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:10,981 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:10,981 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:47:10,981 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:11,119 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:11,119 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:11,120 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:11,120 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:11,120 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:11,120 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:11,120 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:11,121 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-11-20 07:47:11,121 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:11,121 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:11,121 INFO  L85        PathProgramCache]: Analyzing trace with hash 345265179, now seen corresponding path program 1 times
[2021-11-20 07:47:11,122 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:11,122 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718956379]
[2021-11-20 07:47:11,122 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:11,122 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:11,139 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:11,197 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-11-20 07:47:11,198 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:11,198 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718956379]
[2021-11-20 07:47:11,198 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718956379] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:47:11,198 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:47:11,199 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-20 07:47:11,199 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844133231]
[2021-11-20 07:47:11,199 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:47:11,199 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-20 07:47:11,200 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:11,200 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-20 07:47:11,200 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2021-11-20 07:47:11,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:11,201 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:11,201 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 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)
[2021-11-20 07:47:11,201 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:11,201 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:11,201 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:11,202 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:11,202 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:11,202 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:11,202 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:11,202 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:11,370 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:11,370 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:11,370 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:11,370 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:11,370 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:11,371 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:11,371 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:11,371 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:11,371 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-11-20 07:47:11,371 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:11,372 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:11,372 INFO  L85        PathProgramCache]: Analyzing trace with hash 469760672, now seen corresponding path program 1 times
[2021-11-20 07:47:11,372 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:11,372 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292571523]
[2021-11-20 07:47:11,373 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:11,373 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:11,387 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:11,564 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:11,564 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:11,564 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292571523]
[2021-11-20 07:47:11,568 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292571523] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:47:11,569 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751732262]
[2021-11-20 07:47:11,569 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:11,570 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:47:11,570 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:47:11,571 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:47:11,591 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-11-20 07:47:11,670 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:11,672 INFO  L263         TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-11-20 07:47:11,682 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:47:12,207 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:12,208 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:47:12,966 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:12,966 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [751732262] provided 1 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:47:12,966 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2021-11-20 07:47:12,967 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 11] total 23
[2021-11-20 07:47:12,967 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415134153]
[2021-11-20 07:47:12,967 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:47:12,968 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2021-11-20 07:47:12,968 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:12,968 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-11-20 07:47:12,969 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=385, Unknown=0, NotChecked=0, Total=506
[2021-11-20 07:47:12,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:12,969 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:12,969 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 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)
[2021-11-20 07:47:12,969 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:12,970 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:12,970 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:12,970 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:12,970 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:12,970 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:12,970 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:12,970 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:12,970 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:13,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:13,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:13,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:13,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:13,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:13,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:13,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:13,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:13,257 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:13,287 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2021-11-20 07:47:13,457 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:47:13,458 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:13,458 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:13,458 INFO  L85        PathProgramCache]: Analyzing trace with hash 1405991796, now seen corresponding path program 1 times
[2021-11-20 07:47:13,458 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:13,458 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521599393]
[2021-11-20 07:47:13,458 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:13,458 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:13,474 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:13,667 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:13,667 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:13,667 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521599393]
[2021-11-20 07:47:13,667 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521599393] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:47:13,668 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995810776]
[2021-11-20 07:47:13,668 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:13,668 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:47:13,668 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:47:13,669 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:47:13,685 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-11-20 07:47:13,758 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:13,760 INFO  L263         TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-11-20 07:47:13,764 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:47:14,375 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:14,375 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:47:15,105 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:15,106 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995810776] provided 1 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:47:15,106 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2021-11-20 07:47:15,106 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 11] total 23
[2021-11-20 07:47:15,107 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052792828]
[2021-11-20 07:47:15,107 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:47:15,107 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2021-11-20 07:47:15,107 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:15,108 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-11-20 07:47:15,108 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506
[2021-11-20 07:47:15,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:15,109 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:15,109 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 15.818181818181818) internal successors, (174), 11 states have internal predecessors, (174), 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)
[2021-11-20 07:47:15,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:15,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:15,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:15,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:15,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:15,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:15,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:15,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:15,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:15,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:15,397 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:15,397 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:15,398 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:15,398 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:15,398 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:15,398 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:15,398 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:15,398 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:15,398 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:15,399 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:15,433 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-11-20 07:47:15,626 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2021-11-20 07:47:15,626 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:15,626 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:15,627 INFO  L85        PathProgramCache]: Analyzing trace with hash 447614434, now seen corresponding path program 1 times
[2021-11-20 07:47:15,627 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:15,627 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555308530]
[2021-11-20 07:47:15,627 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:15,627 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:15,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:17,013 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-20 07:47:17,013 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:17,013 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555308530]
[2021-11-20 07:47:17,013 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555308530] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:47:17,013 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:47:17,013 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38
[2021-11-20 07:47:17,014 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963216712]
[2021-11-20 07:47:17,014 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:47:17,014 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 38 states
[2021-11-20 07:47:17,014 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:17,015 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants.
[2021-11-20 07:47:17,016 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1278, Unknown=0, NotChecked=0, Total=1406
[2021-11-20 07:47:17,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:17,016 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:17,017 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 38 states, 38 states have (on average 5.447368421052632) internal successors, (207), 38 states have internal predecessors, (207), 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)
[2021-11-20 07:47:17,017 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:17,017 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:17,017 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:17,017 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:17,017 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:17,017 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:17,018 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:17,018 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:17,018 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:17,018 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:17,018 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:22,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:22,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:22,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:22,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:22,051 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:22,051 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:22,051 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:22,051 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:22,051 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:22,051 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:22,051 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:47:22,052 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-11-20 07:47:22,052 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:22,052 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:22,053 INFO  L85        PathProgramCache]: Analyzing trace with hash 1750485282, now seen corresponding path program 1 times
[2021-11-20 07:47:22,053 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:22,053 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917115170]
[2021-11-20 07:47:22,053 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:22,053 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:22,151 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:22,487 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-20 07:47:22,487 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:22,487 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917115170]
[2021-11-20 07:47:22,487 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917115170] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:47:22,487 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:47:22,488 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20
[2021-11-20 07:47:22,488 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773858805]
[2021-11-20 07:47:22,488 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:47:22,489 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2021-11-20 07:47:22,489 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:22,489 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2021-11-20 07:47:22,489 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380
[2021-11-20 07:47:22,490 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:22,490 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:22,490 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 20 states, 20 states have (on average 9.15) internal successors, (183), 20 states have internal predecessors, (183), 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)
[2021-11-20 07:47:22,490 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:22,490 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:22,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:22,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:22,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:22,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:22,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:22,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:22,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:22,491 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:22,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:47:22,492 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:23,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:23,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:23,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:23,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:23,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:23,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:23,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:23,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:23,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:23,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:23,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:47:23,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:47:23,087 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-11-20 07:47:23,087 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:23,088 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:23,088 INFO  L85        PathProgramCache]: Analyzing trace with hash 1706022434, now seen corresponding path program 1 times
[2021-11-20 07:47:23,088 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:23,088 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095393141]
[2021-11-20 07:47:23,088 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:23,089 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:23,118 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:23,497 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-20 07:47:23,497 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:23,497 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095393141]
[2021-11-20 07:47:23,497 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095393141] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:47:23,497 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492812587]
[2021-11-20 07:47:23,497 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:23,497 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:47:23,498 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:47:23,498 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:47:23,517 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2021-11-20 07:47:23,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:23,620 INFO  L263         TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 54 conjunts are in the unsatisfiable core
[2021-11-20 07:47:23,624 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:47:23,669 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-11-20 07:47:23,695 INFO  L354             Elim1Store]: treesize reduction 15, result has 25.0 percent of original size
[2021-11-20 07:47:23,695 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14
[2021-11-20 07:47:23,839 INFO  L354             Elim1Store]: treesize reduction 44, result has 30.2 percent of original size
[2021-11-20 07:47:23,839 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33
[2021-11-20 07:47:24,015 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2021-11-20 07:47:24,488 INFO  L354             Elim1Store]: treesize reduction 20, result has 39.4 percent of original size
[2021-11-20 07:47:24,490 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 21 treesize of output 25
[2021-11-20 07:47:24,640 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24
[2021-11-20 07:47:24,842 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12
[2021-11-20 07:47:24,909 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12
[2021-11-20 07:47:25,259 INFO  L354             Elim1Store]: treesize reduction 11, result has 8.3 percent of original size
[2021-11-20 07:47:25,259 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10
[2021-11-20 07:47:25,368 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:25,368 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:47:27,915 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-20 07:47:27,916 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [492812587] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:47:27,916 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:47:27,916 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 25, 9] total 49
[2021-11-20 07:47:27,916 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685596290]
[2021-11-20 07:47:27,916 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:47:27,917 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 49 states
[2021-11-20 07:47:27,917 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:27,918 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants.
[2021-11-20 07:47:27,919 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=2146, Unknown=3, NotChecked=0, Total=2352
[2021-11-20 07:47:27,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:27,919 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:27,920 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 49 states, 49 states have (on average 7.653061224489796) internal successors, (375), 49 states have internal predecessors, (375), 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)
[2021-11-20 07:47:27,920 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:27,920 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:27,920 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:27,920 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:27,920 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:27,921 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:27,921 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:27,921 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:27,921 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:27,921 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:27,921 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:47:27,921 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:47:27,921 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:29,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:29,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:29,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:29,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:29,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:29,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:29,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:29,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:29,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:29,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:29,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:47:29,780 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:47:29,780 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-20 07:47:29,800 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2021-11-20 07:47:29,980 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:47:29,981 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:29,981 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:29,981 INFO  L85        PathProgramCache]: Analyzing trace with hash 811389282, now seen corresponding path program 1 times
[2021-11-20 07:47:29,981 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:29,981 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420461922]
[2021-11-20 07:47:29,981 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:29,982 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:30,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:30,383 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-20 07:47:30,383 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:30,383 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420461922]
[2021-11-20 07:47:30,383 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420461922] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:47:30,383 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111283669]
[2021-11-20 07:47:30,383 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:30,384 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:47:30,384 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:47:30,390 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:47:30,417 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2021-11-20 07:47:30,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:30,485 INFO  L263         TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 29 conjunts are in the unsatisfiable core
[2021-11-20 07:47:30,488 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:47:32,088 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-20 07:47:32,088 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:47:33,645 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-20 07:47:33,645 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111283669] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:47:33,645 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:47:33,645 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 43
[2021-11-20 07:47:33,646 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132599129]
[2021-11-20 07:47:33,646 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:47:33,646 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 43 states
[2021-11-20 07:47:33,647 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:33,647 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants.
[2021-11-20 07:47:33,647 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=1551, Unknown=0, NotChecked=0, Total=1806
[2021-11-20 07:47:33,647 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:33,647 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:33,648 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 43 states, 43 states have (on average 6.627906976744186) internal successors, (285), 43 states have internal predecessors, (285), 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)
[2021-11-20 07:47:33,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:33,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:33,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:33,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:33,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:33,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:33,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:33,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:33,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:33,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:33,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:47:33,649 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:47:33,649 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-20 07:47:33,649 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:34,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:34,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:34,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:34,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:34,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:34,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:34,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:34,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:34,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:34,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:34,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:47:34,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:47:34,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-11-20 07:47:34,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2021-11-20 07:47:34,935 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2021-11-20 07:47:35,097 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2021-11-20 07:47:35,098 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:35,098 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:35,098 INFO  L85        PathProgramCache]: Analyzing trace with hash 452347122, now seen corresponding path program 1 times
[2021-11-20 07:47:35,098 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:35,098 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504168569]
[2021-11-20 07:47:35,098 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:35,099 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:35,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:35,232 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-20 07:47:35,233 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:35,233 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504168569]
[2021-11-20 07:47:35,233 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504168569] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:47:35,233 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118067141]
[2021-11-20 07:47:35,233 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:35,233 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:47:35,234 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:47:35,234 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:47:35,250 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2021-11-20 07:47:35,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:35,329 INFO  L263         TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-11-20 07:47:35,331 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:47:35,770 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-20 07:47:35,770 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:47:36,274 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-20 07:47:36,274 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118067141] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:47:36,274 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:47:36,274 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28
[2021-11-20 07:47:36,274 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688659088]
[2021-11-20 07:47:36,274 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:47:36,275 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2021-11-20 07:47:36,275 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:36,276 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2021-11-20 07:47:36,276 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756
[2021-11-20 07:47:36,276 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:36,276 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:36,277 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 28 states, 28 states have (on average 12.071428571428571) internal successors, (338), 28 states have internal predecessors, (338), 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)
[2021-11-20 07:47:36,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:36,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:36,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:36,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:36,278 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:36,278 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:36,278 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:36,278 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:36,278 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:36,278 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:36,278 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:47:36,278 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:47:36,278 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-11-20 07:47:36,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2021-11-20 07:47:36,279 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:37,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:37,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:37,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:37,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:37,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:37,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:37,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:37,094 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:37,094 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:37,094 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:37,094 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:47:37,094 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:47:37,094 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-11-20 07:47:37,094 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-20 07:47:37,094 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:47:37,117 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2021-11-20 07:47:37,295 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2021-11-20 07:47:37,297 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:37,307 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:37,307 INFO  L85        PathProgramCache]: Analyzing trace with hash -736341452, now seen corresponding path program 1 times
[2021-11-20 07:47:37,307 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:37,307 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82723058]
[2021-11-20 07:47:37,307 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:37,307 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:37,323 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:37,409 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-20 07:47:37,409 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:37,410 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82723058]
[2021-11-20 07:47:37,410 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82723058] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:47:37,410 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751199155]
[2021-11-20 07:47:37,410 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:37,410 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:47:37,411 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:47:37,411 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:47:37,432 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2021-11-20 07:47:37,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:37,503 INFO  L263         TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-11-20 07:47:37,505 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:47:37,954 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-20 07:47:37,954 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:47:38,395 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-20 07:47:38,396 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [751199155] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:47:38,396 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:47:38,396 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28
[2021-11-20 07:47:38,396 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111229733]
[2021-11-20 07:47:38,396 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:47:38,397 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2021-11-20 07:47:38,397 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:38,398 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2021-11-20 07:47:38,398 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756
[2021-11-20 07:47:38,398 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:38,399 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:38,399 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 28 states, 28 states have (on average 11.571428571428571) internal successors, (324), 28 states have internal predecessors, (324), 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)
[2021-11-20 07:47:38,399 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:38,399 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:38,399 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:38,400 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:38,400 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:38,400 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:38,400 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:38,400 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:38,400 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:38,400 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:38,400 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:47:38,401 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:47:38,401 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-11-20 07:47:38,401 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-20 07:47:38,401 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:47:38,401 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:39,569 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:39,569 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:39,569 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:39,569 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:39,569 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:39,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:39,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:39,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:39,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:39,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:39,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:47:39,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:47:39,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:47:39,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-20 07:47:39,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:47:39,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:47:39,607 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2021-11-20 07:47:39,794 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2021-11-20 07:47:39,794 INFO  L402      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:39,794 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:39,794 INFO  L85        PathProgramCache]: Analyzing trace with hash 2098050040, now seen corresponding path program 2 times
[2021-11-20 07:47:39,794 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:39,795 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265237355]
[2021-11-20 07:47:39,795 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:39,795 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:39,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:41,006 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-20 07:47:41,006 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:41,006 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265237355]
[2021-11-20 07:47:41,006 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265237355] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:47:41,006 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:47:41,006 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38
[2021-11-20 07:47:41,007 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862679317]
[2021-11-20 07:47:41,007 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:47:41,007 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 38 states
[2021-11-20 07:47:41,007 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:47:41,008 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants.
[2021-11-20 07:47:41,008 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1276, Unknown=0, NotChecked=0, Total=1406
[2021-11-20 07:47:41,008 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:41,008 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:47:41,009 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 38 states, 38 states have (on average 5.447368421052632) internal successors, (207), 38 states have internal predecessors, (207), 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)
[2021-11-20 07:47:41,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:41,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:41,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:41,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:41,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:41,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:41,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:41,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:41,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:41,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:41,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:47:41,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:47:41,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:47:41,010 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-20 07:47:41,010 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:47:41,010 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:47:41,010 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:45,298 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:47:45,298 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:47:45,298 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:45,298 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:47:45,298 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:47:45,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:47:45,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:45,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:47:45,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:45,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:47:45,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:47:45,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:47:45,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:47:45,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-20 07:47:45,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:47:45,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:47:45,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:47:45,299 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2021-11-20 07:47:45,300 INFO  L402      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:47:45,300 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:47:45,300 INFO  L85        PathProgramCache]: Analyzing trace with hash 254234936, now seen corresponding path program 2 times
[2021-11-20 07:47:45,300 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:47:45,300 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116768529]
[2021-11-20 07:47:45,300 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:47:45,300 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:47:45,341 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:47:46,949 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:47:46,949 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:47:46,949 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116768529]
[2021-11-20 07:47:46,949 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116768529] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:47:46,949 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110640308]
[2021-11-20 07:47:46,949 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-20 07:47:46,949 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:47:46,950 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:47:46,950 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:47:46,952 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2021-11-20 07:47:47,037 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-20 07:47:47,038 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:47:47,039 INFO  L263         TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 52 conjunts are in the unsatisfiable core
[2021-11-20 07:47:47,043 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:47:47,989 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2021-11-20 07:47:48,315 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18
[2021-11-20 07:47:48,640 INFO  L354             Elim1Store]: treesize reduction 60, result has 20.0 percent of original size
[2021-11-20 07:47:48,640 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 38
[2021-11-20 07:47:49,170 INFO  L354             Elim1Store]: treesize reduction 3, result has 75.0 percent of original size
[2021-11-20 07:47:49,170 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 20
[2021-11-20 07:47:49,273 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-11-20 07:47:49,273 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:48:16,959 INFO  L354             Elim1Store]: treesize reduction 4, result has 63.6 percent of original size
[2021-11-20 07:48:16,960 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24678 treesize of output 23597
[2021-11-20 07:48:25,111 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 1 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-11-20 07:48:25,112 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110640308] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:48:25,112 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:48:25,112 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 24, 23] total 85
[2021-11-20 07:48:25,112 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267952149]
[2021-11-20 07:48:25,112 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:48:25,113 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 85 states
[2021-11-20 07:48:25,114 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:48:25,114 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants.
[2021-11-20 07:48:25,117 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=6872, Unknown=10, NotChecked=0, Total=7140
[2021-11-20 07:48:25,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:25,117 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:48:25,118 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 85 states, 85 states have (on average 5.6117647058823525) internal successors, (477), 85 states have internal predecessors, (477), 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)
[2021-11-20 07:48:25,118 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:25,118 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:48:25,118 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:25,118 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:25,118 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:48:25,118 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:48:25,118 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:25,119 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:25,119 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:25,119 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:25,119 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:25,119 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:48:25,119 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:48:25,119 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-20 07:48:25,119 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:48:25,120 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:48:25,120 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:25,120 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:37,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:37,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:48:37,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:37,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:37,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:48:37,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:48:37,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:37,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:37,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:37,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:37,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:37,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:48:37,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:48:37,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-20 07:48:37,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. 
[2021-11-20 07:48:37,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. 
[2021-11-20 07:48:37,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:37,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. 
[2021-11-20 07:48:37,674 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2021-11-20 07:48:37,854 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2021-11-20 07:48:37,854 INFO  L402      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:48:37,854 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:48:37,854 INFO  L85        PathProgramCache]: Analyzing trace with hash -1049874759, now seen corresponding path program 2 times
[2021-11-20 07:48:37,855 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:48:37,855 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938874124]
[2021-11-20 07:48:37,855 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:48:37,855 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:48:37,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:48:38,199 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-20 07:48:38,199 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:48:38,199 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938874124]
[2021-11-20 07:48:38,199 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938874124] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:48:38,199 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309735765]
[2021-11-20 07:48:38,199 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-20 07:48:38,199 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:48:38,199 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:48:38,200 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:48:38,230 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2021-11-20 07:48:38,294 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2021-11-20 07:48:38,294 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:48:38,295 INFO  L263         TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 19 conjunts are in the unsatisfiable core
[2021-11-20 07:48:38,298 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:48:39,035 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-11-20 07:48:39,035 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-20 07:48:39,036 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [309735765] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:48:39,036 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-20 07:48:39,036 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [18] total 28
[2021-11-20 07:48:39,036 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237176894]
[2021-11-20 07:48:39,036 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:48:39,037 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2021-11-20 07:48:39,037 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:48:39,037 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-11-20 07:48:39,037 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=684, Unknown=0, NotChecked=0, Total=756
[2021-11-20 07:48:39,037 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:39,038 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:48:39,038 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 13.25) internal successors, (159), 12 states have internal predecessors, (159), 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)
[2021-11-20 07:48:39,038 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:39,038 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:48:39,038 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:39,038 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:39,038 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:48:39,038 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:48:39,038 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:39,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:39,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:39,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:39,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:39,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:48:39,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:48:39,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-20 07:48:39,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. 
[2021-11-20 07:48:39,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. 
[2021-11-20 07:48:39,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:39,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. 
[2021-11-20 07:48:39,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:43,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:43,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:48:43,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:43,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:43,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:48:43,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:48:43,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:43,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:43,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:43,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:43,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:43,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:48:43,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:48:43,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:48:43,836 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:48:43,836 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:48:43,836 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:43,836 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. 
[2021-11-20 07:48:43,836 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:48:43,856 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2021-11-20 07:48:44,036 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:48:44,037 INFO  L402      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:48:44,037 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:48:44,037 INFO  L85        PathProgramCache]: Analyzing trace with hash -1599114397, now seen corresponding path program 2 times
[2021-11-20 07:48:44,037 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:48:44,037 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800319321]
[2021-11-20 07:48:44,037 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:48:44,038 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:48:44,054 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:48:44,387 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-11-20 07:48:44,387 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:48:44,387 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800319321]
[2021-11-20 07:48:44,387 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800319321] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:48:44,387 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594543706]
[2021-11-20 07:48:44,387 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-20 07:48:44,388 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:48:44,388 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:48:44,388 INFO  L229       MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:48:44,389 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2021-11-20 07:48:44,475 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-20 07:48:44,476 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:48:44,477 INFO  L263         TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-11-20 07:48:44,480 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:48:45,015 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2021-11-20 07:48:45,015 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:48:45,425 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2021-11-20 07:48:45,426 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [594543706] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:48:45,426 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:48:45,426 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9, 9] total 27
[2021-11-20 07:48:45,426 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428738558]
[2021-11-20 07:48:45,426 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:48:45,427 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2021-11-20 07:48:45,427 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:48:45,427 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2021-11-20 07:48:45,428 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702
[2021-11-20 07:48:45,428 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:45,428 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:48:45,428 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 11.88888888888889) internal successors, (321), 27 states have internal predecessors, (321), 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)
[2021-11-20 07:48:45,428 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:45,429 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:48:45,429 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:45,429 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:45,429 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:48:45,429 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:48:45,429 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:45,429 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:45,429 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:45,430 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:45,430 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:45,430 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:48:45,430 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:48:45,430 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:48:45,430 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:48:45,430 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:48:45,430 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:45,431 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. 
[2021-11-20 07:48:45,431 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:48:45,431 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:46,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:46,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:48:46,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:46,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:46,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:48:46,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:48:46,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:46,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:46,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:46,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:46,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:46,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:48:46,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:48:46,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:48:46,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:48:46,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:48:46,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:46,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:48:46,680 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:48:46,680 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2021-11-20 07:48:46,700 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2021-11-20 07:48:46,880 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:48:46,880 INFO  L402      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:48:46,881 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:48:46,881 INFO  L85        PathProgramCache]: Analyzing trace with hash 1507164325, now seen corresponding path program 2 times
[2021-11-20 07:48:46,881 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:48:46,881 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977003317]
[2021-11-20 07:48:46,881 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:48:46,881 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:48:46,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:48:47,236 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-11-20 07:48:47,236 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:48:47,236 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977003317]
[2021-11-20 07:48:47,237 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977003317] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:48:47,237 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103731437]
[2021-11-20 07:48:47,237 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-20 07:48:47,237 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:48:47,237 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:48:47,242 INFO  L229       MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:48:47,264 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2021-11-20 07:48:47,349 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-20 07:48:47,349 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:48:47,351 INFO  L263         TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-11-20 07:48:47,354 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:48:48,049 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2021-11-20 07:48:48,049 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:48:48,575 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2021-11-20 07:48:48,575 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103731437] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:48:48,575 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:48:48,575 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9, 9] total 25
[2021-11-20 07:48:48,576 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778693238]
[2021-11-20 07:48:48,576 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:48:48,576 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2021-11-20 07:48:48,576 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:48:48,577 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2021-11-20 07:48:48,577 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600
[2021-11-20 07:48:48,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:48,577 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:48:48,577 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 25 states, 25 states have (on average 12.68) internal successors, (317), 25 states have internal predecessors, (317), 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)
[2021-11-20 07:48:48,577 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:48,577 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:48:48,577 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:48,577 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:48,577 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. 
[2021-11-20 07:48:48,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:49,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:48:49,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:48:49,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:49,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:48:49,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:48:49,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:48:49,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:49,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:48:49,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:49,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:48:49,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:49,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:48:49,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:48:49,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:48:49,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:48:49,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:48:49,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:48:49,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:48:49,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:48:49,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2021-11-20 07:48:49,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-11-20 07:48:49,750 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2021-11-20 07:48:49,930 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20
[2021-11-20 07:48:49,930 INFO  L402      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:48:49,930 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:48:49,930 INFO  L85        PathProgramCache]: Analyzing trace with hash -1226847729, now seen corresponding path program 1 times
[2021-11-20 07:48:49,930 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:48:49,930 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426126772]
[2021-11-20 07:48:49,931 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:48:49,931 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:48:49,988 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:48:52,284 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2021-11-20 07:48:52,284 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:48:52,284 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426126772]
[2021-11-20 07:48:52,284 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426126772] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:48:52,284 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279791501]
[2021-11-20 07:48:52,284 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:48:52,284 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:48:52,285 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:48:52,285 INFO  L229       MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:48:52,286 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2021-11-20 07:48:52,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:48:52,376 INFO  L263         TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 107 conjunts are in the unsatisfiable core
[2021-11-20 07:48:52,381 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:48:52,419 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-11-20 07:48:52,487 INFO  L354             Elim1Store]: treesize reduction 15, result has 25.0 percent of original size
[2021-11-20 07:48:52,487 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14
[2021-11-20 07:48:52,673 INFO  L354             Elim1Store]: treesize reduction 44, result has 30.2 percent of original size
[2021-11-20 07:48:52,673 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33
[2021-11-20 07:48:53,180 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9
[2021-11-20 07:48:53,764 INFO  L354             Elim1Store]: treesize reduction 20, result has 39.4 percent of original size
[2021-11-20 07:48:53,765 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 21 treesize of output 25
[2021-11-20 07:48:54,003 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2021-11-20 07:48:54,126 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24
[2021-11-20 07:48:54,474 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12
[2021-11-20 07:48:54,566 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12
[2021-11-20 07:48:56,721 INFO  L354             Elim1Store]: treesize reduction 5, result has 64.3 percent of original size
[2021-11-20 07:48:56,721 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 25
[2021-11-20 07:48:57,726 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-11-20 07:48:57,726 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:49:52,890 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2021-11-20 07:49:52,890 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279791501] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:49:52,890 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:49:52,891 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 50, 32] total 121
[2021-11-20 07:49:52,891 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296776331]
[2021-11-20 07:49:52,891 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:49:52,892 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 121 states
[2021-11-20 07:49:52,892 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:49:52,893 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants.
[2021-11-20 07:49:52,897 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=506, Invalid=13974, Unknown=40, NotChecked=0, Total=14520
[2021-11-20 07:49:52,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:49:52,897 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:49:52,898 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 121 states, 121 states have (on average 4.925619834710743) internal successors, (596), 121 states have internal predecessors, (596), 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)
[2021-11-20 07:49:52,898 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:49:52,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:49:52,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:49:52,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:49:52,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:49:52,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:49:52,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:49:52,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:49:52,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:49:52,900 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:49:52,900 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:49:52,900 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:49:52,900 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:49:52,900 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:49:52,900 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:49:52,900 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:49:52,900 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:49:52,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:49:52,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:49:52,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. 
[2021-11-20 07:49:52,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-11-20 07:49:52,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:09,619 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:09,619 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:50:09,619 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:09,619 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:09,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:50:09,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:50:09,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:09,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:09,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:09,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:09,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:09,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:50:09,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:50:09,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:09,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:09,621 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:09,621 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:09,621 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:09,621 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:50:09,621 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2021-11-20 07:50:09,621 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:50:09,621 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. 
[2021-11-20 07:50:09,642 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0
[2021-11-20 07:50:09,821 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21
[2021-11-20 07:50:09,822 INFO  L402      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:50:09,822 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:50:09,822 INFO  L85        PathProgramCache]: Analyzing trace with hash 800291919, now seen corresponding path program 3 times
[2021-11-20 07:50:09,822 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:50:09,822 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126414836]
[2021-11-20 07:50:09,823 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:50:09,823 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:50:09,850 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:50:10,992 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2021-11-20 07:50:10,992 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:50:10,993 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126414836]
[2021-11-20 07:50:10,993 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126414836] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:50:10,993 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020664921]
[2021-11-20 07:50:10,993 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-11-20 07:50:10,993 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:50:10,993 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:50:10,998 INFO  L229       MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:50:11,005 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2021-11-20 07:50:11,114 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2021-11-20 07:50:11,114 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:50:11,116 INFO  L263         TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 43 conjunts are in the unsatisfiable core
[2021-11-20 07:50:11,119 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:50:12,527 INFO  L354             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2021-11-20 07:50:12,527 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 23
[2021-11-20 07:50:12,580 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2021-11-20 07:50:12,580 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:50:13,088 INFO  L354             Elim1Store]: treesize reduction 50, result has 48.5 percent of original size
[2021-11-20 07:50:13,088 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 54
[2021-11-20 07:50:13,367 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2021-11-20 07:50:13,367 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020664921] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:50:13,367 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:50:13,368 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 23, 13] total 57
[2021-11-20 07:50:13,368 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377179439]
[2021-11-20 07:50:13,368 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:50:13,369 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 57 states
[2021-11-20 07:50:13,369 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:50:13,370 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants.
[2021-11-20 07:50:13,371 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=2956, Unknown=0, NotChecked=0, Total=3192
[2021-11-20 07:50:13,371 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:13,371 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:50:13,372 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 57 states, 57 states have (on average 7.5964912280701755) internal successors, (433), 57 states have internal predecessors, (433), 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)
[2021-11-20 07:50:13,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:13,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:50:13,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:13,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:13,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:50:13,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:50:13,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:13,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:13,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:13,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:13,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:13,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:50:13,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:50:13,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:13,374 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:13,374 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:13,374 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:13,374 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:13,374 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:50:13,374 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. 
[2021-11-20 07:50:13,374 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:50:13,374 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. 
[2021-11-20 07:50:13,375 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:16,534 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:16,534 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:50:16,534 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:50:16,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-20 07:50:16,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:50:16,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. 
[2021-11-20 07:50:16,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2021-11-20 07:50:16,556 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0
[2021-11-20 07:50:16,736 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:50:16,737 INFO  L402      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:50:16,737 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:50:16,737 INFO  L85        PathProgramCache]: Analyzing trace with hash 825872591, now seen corresponding path program 3 times
[2021-11-20 07:50:16,737 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:50:16,737 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935821110]
[2021-11-20 07:50:16,737 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:50:16,737 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:50:16,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:50:17,966 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2021-11-20 07:50:17,967 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:50:17,967 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935821110]
[2021-11-20 07:50:17,967 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935821110] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:50:17,967 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649221859]
[2021-11-20 07:50:17,968 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-11-20 07:50:17,968 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:50:17,968 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:50:17,982 INFO  L229       MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:50:17,983 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process
[2021-11-20 07:50:18,077 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2021-11-20 07:50:18,077 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:50:18,079 INFO  L263         TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 43 conjunts are in the unsatisfiable core
[2021-11-20 07:50:18,081 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:50:19,446 INFO  L354             Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2021-11-20 07:50:19,446 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10
[2021-11-20 07:50:19,567 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2021-11-20 07:50:19,567 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:50:20,031 INFO  L354             Elim1Store]: treesize reduction 50, result has 48.5 percent of original size
[2021-11-20 07:50:20,031 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 54
[2021-11-20 07:50:20,309 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2021-11-20 07:50:20,309 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649221859] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:50:20,309 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:50:20,309 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 23, 13] total 63
[2021-11-20 07:50:20,309 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145391375]
[2021-11-20 07:50:20,310 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:50:20,310 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 63 states
[2021-11-20 07:50:20,310 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:50:20,311 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants.
[2021-11-20 07:50:20,312 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=3606, Unknown=0, NotChecked=0, Total=3906
[2021-11-20 07:50:20,312 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:20,312 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:50:20,312 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 63 states, 63 states have (on average 6.777777777777778) internal successors, (427), 63 states have internal predecessors, (427), 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)
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:20,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:20,314 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:20,314 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:50:20,314 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-20 07:50:20,314 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:50:20,314 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. 
[2021-11-20 07:50:20,314 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2021-11-20 07:50:20,314 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:23,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:23,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:50:23,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:23,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:23,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:50:23,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:50:23,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. 
[2021-11-20 07:50:23,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2021-11-20 07:50:23,569 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2021-11-20 07:50:23,591 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0
[2021-11-20 07:50:23,770 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:50:23,770 INFO  L402      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:50:23,770 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:50:23,771 INFO  L85        PathProgramCache]: Analyzing trace with hash 128384229, now seen corresponding path program 4 times
[2021-11-20 07:50:23,771 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:50:23,771 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895078000]
[2021-11-20 07:50:23,771 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:50:23,771 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:50:23,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:50:23,963 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2021-11-20 07:50:23,963 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:50:23,963 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895078000]
[2021-11-20 07:50:23,964 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895078000] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:50:23,964 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45256198]
[2021-11-20 07:50:23,964 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-11-20 07:50:23,964 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:50:23,964 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:50:23,965 INFO  L229       MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:50:23,966 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process
[2021-11-20 07:50:24,052 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-11-20 07:50:24,052 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:50:24,054 INFO  L263         TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 14 conjunts are in the unsatisfiable core
[2021-11-20 07:50:24,058 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:50:24,794 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2021-11-20 07:50:24,794 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:50:25,558 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2021-11-20 07:50:25,558 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [45256198] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:50:25,558 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:50:25,559 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 40
[2021-11-20 07:50:25,559 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455416534]
[2021-11-20 07:50:25,559 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:50:25,560 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 40 states
[2021-11-20 07:50:25,560 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:50:25,560 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants.
[2021-11-20 07:50:25,561 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1381, Unknown=0, NotChecked=0, Total=1560
[2021-11-20 07:50:25,561 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:25,561 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:50:25,562 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 40 states, 40 states have (on average 9.65) internal successors, (386), 40 states have internal predecessors, (386), 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)
[2021-11-20 07:50:25,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:25,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:50:25,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:25,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:25,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:50:25,563 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:50:25,563 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:25,563 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:25,563 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:25,563 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:25,563 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:25,563 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:50:25,563 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:50:25,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:25,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:25,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:25,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:25,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:25,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:50:25,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-20 07:50:25,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:50:25,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. 
[2021-11-20 07:50:25,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2021-11-20 07:50:25,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2021-11-20 07:50:25,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:27,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:27,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:50:27,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:27,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:27,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:50:27,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:50:27,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:27,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:27,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:27,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:27,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:27,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:50:27,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:50:27,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:27,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:27,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:27,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:27,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:27,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:50:27,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:50:27,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:50:27,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. 
[2021-11-20 07:50:27,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:27,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2021-11-20 07:50:27,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2021-11-20 07:50:27,918 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0
[2021-11-20 07:50:28,097 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24
[2021-11-20 07:50:28,098 INFO  L402      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:50:28,098 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:50:28,098 INFO  L85        PathProgramCache]: Analyzing trace with hash 1467840611, now seen corresponding path program 4 times
[2021-11-20 07:50:28,098 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:50:28,098 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910426480]
[2021-11-20 07:50:28,098 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:50:28,098 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:50:28,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:50:28,329 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2021-11-20 07:50:28,329 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:50:28,329 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910426480]
[2021-11-20 07:50:28,329 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910426480] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:50:28,330 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616810951]
[2021-11-20 07:50:28,330 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-11-20 07:50:28,330 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:50:28,330 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:50:28,334 INFO  L229       MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:50:28,354 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process
[2021-11-20 07:50:28,430 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-11-20 07:50:28,430 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:50:28,432 INFO  L263         TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 14 conjunts are in the unsatisfiable core
[2021-11-20 07:50:28,436 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:50:29,152 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2021-11-20 07:50:29,152 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:50:29,902 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2021-11-20 07:50:29,902 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616810951] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:50:29,902 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:50:29,903 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 40
[2021-11-20 07:50:29,903 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969714572]
[2021-11-20 07:50:29,903 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:50:29,904 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 40 states
[2021-11-20 07:50:29,904 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:50:29,904 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants.
[2021-11-20 07:50:29,905 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1381, Unknown=0, NotChecked=0, Total=1560
[2021-11-20 07:50:29,905 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:29,905 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:50:29,906 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 40 states, 40 states have (on average 9.3) internal successors, (372), 40 states have internal predecessors, (372), 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)
[2021-11-20 07:50:29,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:29,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:50:29,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:29,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:29,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:50:29,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:50:29,907 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:29,907 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:29,907 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:29,907 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:29,907 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:29,907 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:50:29,907 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:50:29,907 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:29,908 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:29,908 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:29,908 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:29,908 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:29,908 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:50:29,908 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:50:29,908 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:50:29,908 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. 
[2021-11-20 07:50:29,908 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:29,909 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2021-11-20 07:50:29,909 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2021-11-20 07:50:29,909 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:43,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:43,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:50:43,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:43,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:43,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:50:43,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:50:43,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:43,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:43,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:43,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:43,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:43,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:50:43,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:50:43,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:43,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:43,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:43,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:43,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:43,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:50:43,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:50:43,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:50:43,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. 
[2021-11-20 07:50:43,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. 
[2021-11-20 07:50:43,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:43,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:50:43,416 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:50:43,437 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0
[2021-11-20 07:50:43,616 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:50:43,616 INFO  L402      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:50:43,616 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:50:43,617 INFO  L85        PathProgramCache]: Analyzing trace with hash -1338111596, now seen corresponding path program 5 times
[2021-11-20 07:50:43,617 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:50:43,617 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060434789]
[2021-11-20 07:50:43,617 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:50:43,617 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:50:43,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:50:44,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 76 backedges. 4 proven. 55 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-20 07:50:44,169 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:50:44,169 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060434789]
[2021-11-20 07:50:44,169 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060434789] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:50:44,170 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423346013]
[2021-11-20 07:50:44,170 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2021-11-20 07:50:44,170 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:50:44,170 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:50:44,171 INFO  L229       MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:50:44,199 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process
[2021-11-20 07:50:44,294 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s)
[2021-11-20 07:50:44,294 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:50:44,296 INFO  L263         TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 22 conjunts are in the unsatisfiable core
[2021-11-20 07:50:44,300 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:50:45,719 INFO  L134       CoverageAnalysis]: Checked inductivity of 76 backedges. 18 proven. 41 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-20 07:50:45,719 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:50:47,102 INFO  L134       CoverageAnalysis]: Checked inductivity of 76 backedges. 48 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-20 07:50:47,103 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423346013] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:50:47,103 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:50:47,103 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54
[2021-11-20 07:50:47,104 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688008843]
[2021-11-20 07:50:47,104 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:50:47,105 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 54 states
[2021-11-20 07:50:47,105 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:50:47,105 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants.
[2021-11-20 07:50:47,106 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=2391, Unknown=0, NotChecked=0, Total=2862
[2021-11-20 07:50:47,107 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:47,107 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:50:47,107 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 54 states, 54 states have (on average 6.648148148148148) internal successors, (359), 54 states have internal predecessors, (359), 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)
[2021-11-20 07:50:47,107 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:47,108 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:50:47,108 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:47,108 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:47,108 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:50:47,108 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:50:47,108 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:47,108 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:47,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:47,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:47,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:47,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:50:47,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:50:47,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:47,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:47,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:47,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:47,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:47,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:50:47,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:50:47,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:50:47,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. 
[2021-11-20 07:50:47,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. 
[2021-11-20 07:50:47,110 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:47,111 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:50:47,111 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:50:47,111 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:49,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:49,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:50:49,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:49,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:49,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:50:49,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:50:49,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:49,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:49,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:49,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:49,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:49,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:50:49,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:50:49,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:49,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:49,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:49,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:49,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:49,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:50:49,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:50:49,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:50:49,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:50:49,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:50:49,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:49,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:50:49,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:50:49,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:49,140 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0
[2021-11-20 07:50:49,318 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:50:49,318 INFO  L402      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:50:49,319 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:50:49,319 INFO  L85        PathProgramCache]: Analyzing trace with hash 1344786, now seen corresponding path program 5 times
[2021-11-20 07:50:49,319 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:50:49,319 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998129137]
[2021-11-20 07:50:49,319 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:50:49,320 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:50:49,339 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:50:49,743 INFO  L134       CoverageAnalysis]: Checked inductivity of 76 backedges. 4 proven. 55 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-20 07:50:49,744 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:50:49,745 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998129137]
[2021-11-20 07:50:49,745 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998129137] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:50:49,746 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219304489]
[2021-11-20 07:50:49,746 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2021-11-20 07:50:49,746 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:50:49,746 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:50:49,748 INFO  L229       MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:50:49,753 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process
[2021-11-20 07:50:49,837 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s)
[2021-11-20 07:50:49,837 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:50:49,839 INFO  L263         TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 22 conjunts are in the unsatisfiable core
[2021-11-20 07:50:49,841 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:50:51,266 INFO  L134       CoverageAnalysis]: Checked inductivity of 76 backedges. 18 proven. 41 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-20 07:50:51,266 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:50:52,981 INFO  L134       CoverageAnalysis]: Checked inductivity of 76 backedges. 48 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-11-20 07:50:52,981 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219304489] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:50:52,981 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:50:52,982 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54
[2021-11-20 07:50:52,982 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806321956]
[2021-11-20 07:50:52,982 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:50:52,983 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 54 states
[2021-11-20 07:50:52,983 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:50:52,983 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants.
[2021-11-20 07:50:52,984 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=2391, Unknown=0, NotChecked=0, Total=2862
[2021-11-20 07:50:52,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:52,984 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:50:52,985 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 54 states, 54 states have (on average 6.648148148148148) internal successors, (359), 54 states have internal predecessors, (359), 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)
[2021-11-20 07:50:52,985 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:52,985 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:50:52,985 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:52,985 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:52,985 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:50:52,985 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:50:52,985 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:52,985 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:52,985 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:52,985 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:52,985 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:52,986 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:50:52,986 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:50:52,986 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:52,986 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:52,986 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:52,986 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:52,986 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:52,986 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:50:52,986 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:50:52,986 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:50:52,986 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:50:52,986 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:50:52,986 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:52,986 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:50:52,987 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:50:52,987 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:52,987 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:54,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:50:54,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:50:54,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:54,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:50:54,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:50:54,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:50:54,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:54,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:50:54,496 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:54,496 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:50:54,496 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:54,496 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:50:54,496 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:50:54,496 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:54,496 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:54,496 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:50:54,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:50:54,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:54,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:50:54,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:50:54,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:50:54,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:50:54,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:50:54,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:50:54,498 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:50:54,498 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:50:54,498 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:54,506 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:50:54,543 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0
[2021-11-20 07:50:54,722 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:50:54,722 INFO  L402      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:50:54,722 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:50:54,722 INFO  L85        PathProgramCache]: Analyzing trace with hash -1709717694, now seen corresponding path program 2 times
[2021-11-20 07:50:54,723 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:50:54,723 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000531848]
[2021-11-20 07:50:54,723 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:50:54,723 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:50:54,852 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:50:57,010 INFO  L134       CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-20 07:50:57,011 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:50:57,011 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000531848]
[2021-11-20 07:50:57,011 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000531848] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:50:57,011 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002374607]
[2021-11-20 07:50:57,012 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-20 07:50:57,012 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:50:57,012 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:50:57,013 INFO  L229       MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:50:57,014 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process
[2021-11-20 07:50:57,123 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-20 07:50:57,123 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:50:57,126 INFO  L263         TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 79 conjunts are in the unsatisfiable core
[2021-11-20 07:50:57,131 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:50:59,258 INFO  L354             Elim1Store]: treesize reduction 7, result has 56.3 percent of original size
[2021-11-20 07:50:59,258 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 25
[2021-11-20 07:51:00,368 INFO  L134       CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2021-11-20 07:51:00,368 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:51:50,403 INFO  L354             Elim1Store]: treesize reduction 50, result has 48.5 percent of original size
[2021-11-20 07:51:50,403 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 72
[2021-11-20 07:51:50,662 INFO  L134       CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2021-11-20 07:51:50,663 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002374607] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:51:50,663 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:51:50,663 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 37, 36] total 105
[2021-11-20 07:51:50,663 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177444633]
[2021-11-20 07:51:50,663 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:51:50,664 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 105 states
[2021-11-20 07:51:50,664 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:51:50,664 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants.
[2021-11-20 07:51:50,667 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=10538, Unknown=17, NotChecked=0, Total=10920
[2021-11-20 07:51:50,668 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:51:50,668 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:51:50,668 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 105 states, 105 states have (on average 5.085714285714285) internal successors, (534), 105 states have internal predecessors, (534), 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)
[2021-11-20 07:51:50,668 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:51:50,668 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:51:50,668 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:51:50,668 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:51:50,668 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:51:50,668 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:51:50,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:51:50,670 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:51:50,670 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:51:50,670 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:51:50,670 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:51:50,670 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:03,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:03,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:52:03,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:03,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:03,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:52:03,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:52:03,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:03,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:03,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:03,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:03,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:03,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:52:03,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:52:03,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:52:03,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:03,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:03,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:03,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:03,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:52:03,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:52:03,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:52:03,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:52:03,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:03,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:03,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:03,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:03,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:03,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:52:03,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. 
[2021-11-20 07:52:03,825 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0
[2021-11-20 07:52:04,006 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28
[2021-11-20 07:52:04,006 INFO  L402      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:52:04,006 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:52:04,006 INFO  L85        PathProgramCache]: Analyzing trace with hash 1944067970, now seen corresponding path program 6 times
[2021-11-20 07:52:04,007 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:52:04,007 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950681931]
[2021-11-20 07:52:04,007 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:52:04,007 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:52:04,038 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:52:05,011 INFO  L134       CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-20 07:52:05,012 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:52:05,012 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950681931]
[2021-11-20 07:52:05,012 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950681931] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:52:05,012 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768512700]
[2021-11-20 07:52:05,012 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2021-11-20 07:52:05,012 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:52:05,012 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:52:05,013 INFO  L229       MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:52:05,014 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process
[2021-11-20 07:52:05,113 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s)
[2021-11-20 07:52:05,113 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:52:05,116 INFO  L263         TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 51 conjunts are in the unsatisfiable core
[2021-11-20 07:52:05,119 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:52:06,195 INFO  L134       CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2021-11-20 07:52:06,195 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:52:06,942 INFO  L354             Elim1Store]: treesize reduction 50, result has 48.5 percent of original size
[2021-11-20 07:52:06,943 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 54
[2021-11-20 07:52:07,179 INFO  L134       CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2021-11-20 07:52:07,180 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [768512700] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:52:07,180 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:52:07,180 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 19, 17] total 57
[2021-11-20 07:52:07,180 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603106822]
[2021-11-20 07:52:07,180 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:52:07,181 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 57 states
[2021-11-20 07:52:07,181 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:52:07,182 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants.
[2021-11-20 07:52:07,182 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=2973, Unknown=0, NotChecked=0, Total=3192
[2021-11-20 07:52:07,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:07,182 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:52:07,183 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 57 states, 57 states have (on average 7.017543859649122) internal successors, (400), 57 states have internal predecessors, (400), 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)
[2021-11-20 07:52:07,183 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:07,183 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:52:07,183 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:07,183 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:07,183 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:52:07,183 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:52:07,183 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:07,183 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:07,183 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:07,183 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:07,183 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. 
[2021-11-20 07:52:07,184 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:10,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:10,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:52:10,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:52:10,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:52:10,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:52:10,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:52:10,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:10,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:10,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:10,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:10,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:10,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:10,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. 
[2021-11-20 07:52:10,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:52:10,769 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0
[2021-11-20 07:52:10,949 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:52:10,949 INFO  L402      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:52:10,949 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:52:10,949 INFO  L85        PathProgramCache]: Analyzing trace with hash -1886222446, now seen corresponding path program 7 times
[2021-11-20 07:52:10,950 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:52:10,950 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268484271]
[2021-11-20 07:52:10,950 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:52:10,950 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:52:10,968 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:52:11,281 INFO  L134       CoverageAnalysis]: Checked inductivity of 117 backedges. 22 proven. 41 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2021-11-20 07:52:11,281 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:52:11,281 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268484271]
[2021-11-20 07:52:11,281 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268484271] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:52:11,282 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465669408]
[2021-11-20 07:52:11,282 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2021-11-20 07:52:11,282 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:52:11,282 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:52:11,283 INFO  L229       MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:52:11,310 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process
[2021-11-20 07:52:11,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:52:11,395 INFO  L263         TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 18 conjunts are in the unsatisfiable core
[2021-11-20 07:52:11,399 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:52:12,580 INFO  L134       CoverageAnalysis]: Checked inductivity of 117 backedges. 39 proven. 24 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2021-11-20 07:52:12,580 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:52:13,635 INFO  L134       CoverageAnalysis]: Checked inductivity of 117 backedges. 39 proven. 24 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2021-11-20 07:52:13,636 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [465669408] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:52:13,636 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:52:13,636 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 52
[2021-11-20 07:52:13,636 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899890883]
[2021-11-20 07:52:13,636 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:52:13,637 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 52 states
[2021-11-20 07:52:13,637 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:52:13,637 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants.
[2021-11-20 07:52:13,638 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=2371, Unknown=0, NotChecked=0, Total=2652
[2021-11-20 07:52:13,638 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:13,638 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:52:13,638 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 52 states, 52 states have (on average 8.346153846153847) internal successors, (434), 52 states have internal predecessors, (434), 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)
[2021-11-20 07:52:13,638 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:13,638 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:52:13,638 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:13,638 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:13,638 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:52:13,638 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:52:13,638 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:13,638 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:13,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:13,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:13,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. 
[2021-11-20 07:52:13,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:52:13,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:16,716 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:16,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:16,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:52:16,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:52:16,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:52:16,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:52:16,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:16,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:16,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:16,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:16,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:16,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:16,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:52:16,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:52:16,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2021-11-20 07:52:16,739 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0
[2021-11-20 07:52:16,922 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30
[2021-11-20 07:52:16,922 INFO  L402      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:52:16,922 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:52:16,922 INFO  L85        PathProgramCache]: Analyzing trace with hash -1635067820, now seen corresponding path program 6 times
[2021-11-20 07:52:16,923 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:52:16,923 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62734426]
[2021-11-20 07:52:16,923 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:52:16,923 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:52:16,941 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:52:17,264 INFO  L134       CoverageAnalysis]: Checked inductivity of 117 backedges. 22 proven. 41 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2021-11-20 07:52:17,264 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:52:17,265 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62734426]
[2021-11-20 07:52:17,265 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62734426] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:52:17,265 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168701654]
[2021-11-20 07:52:17,265 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2021-11-20 07:52:17,265 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:52:17,265 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:52:17,270 INFO  L229       MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:52:17,293 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process
[2021-11-20 07:52:17,415 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s)
[2021-11-20 07:52:17,415 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:52:17,418 INFO  L263         TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 18 conjunts are in the unsatisfiable core
[2021-11-20 07:52:17,422 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:52:18,492 INFO  L134       CoverageAnalysis]: Checked inductivity of 117 backedges. 39 proven. 24 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2021-11-20 07:52:18,492 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:52:19,503 INFO  L134       CoverageAnalysis]: Checked inductivity of 117 backedges. 39 proven. 24 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2021-11-20 07:52:19,503 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168701654] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:52:19,504 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:52:19,504 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 52
[2021-11-20 07:52:19,504 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392246271]
[2021-11-20 07:52:19,504 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:52:19,505 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 52 states
[2021-11-20 07:52:19,505 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:52:19,505 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants.
[2021-11-20 07:52:19,506 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=2371, Unknown=0, NotChecked=0, Total=2652
[2021-11-20 07:52:19,506 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:19,506 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:52:19,506 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 52 states, 52 states have (on average 8.076923076923077) internal successors, (420), 52 states have internal predecessors, (420), 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)
[2021-11-20 07:52:19,506 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:19,506 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:52:19,506 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:19,506 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:19,506 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:19,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:19,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:19,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:19,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:19,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:19,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:52:19,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:52:19,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. 
[2021-11-20 07:52:19,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:25,794 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:25,795 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:52:25,795 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:25,795 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:25,795 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:52:25,795 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:52:25,795 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:25,795 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:25,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:25,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:25,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:25,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:52:25,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:52:25,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:52:25,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:25,797 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:25,797 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:25,797 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:25,797 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:52:25,797 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:52:25,797 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:52:25,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:52:25,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:25,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:25,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:25,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:25,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:25,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:25,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:52:25,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:52:25,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:52:25,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:52:25,862 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0
[2021-11-20 07:52:26,021 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:52:26,021 INFO  L402      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:52:26,022 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:52:26,022 INFO  L85        PathProgramCache]: Analyzing trace with hash 1929091011, now seen corresponding path program 8 times
[2021-11-20 07:52:26,022 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:52:26,022 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725800155]
[2021-11-20 07:52:26,022 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:52:26,022 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:52:26,041 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:52:26,844 INFO  L134       CoverageAnalysis]: Checked inductivity of 161 backedges. 22 proven. 100 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2021-11-20 07:52:26,844 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:52:26,844 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725800155]
[2021-11-20 07:52:26,844 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725800155] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:52:26,844 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263640447]
[2021-11-20 07:52:26,845 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-20 07:52:26,845 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:52:26,845 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:52:26,846 INFO  L229       MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:52:26,864 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process
[2021-11-20 07:52:26,953 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-20 07:52:26,953 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:52:26,955 INFO  L263         TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 26 conjunts are in the unsatisfiable core
[2021-11-20 07:52:26,959 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:52:28,453 INFO  L134       CoverageAnalysis]: Checked inductivity of 161 backedges. 63 proven. 52 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2021-11-20 07:52:28,453 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:52:30,186 INFO  L134       CoverageAnalysis]: Checked inductivity of 161 backedges. 85 proven. 30 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2021-11-20 07:52:30,186 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [263640447] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:52:30,187 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:52:30,187 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 27] total 77
[2021-11-20 07:52:30,187 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429744655]
[2021-11-20 07:52:30,187 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:52:30,188 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 77 states
[2021-11-20 07:52:30,188 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:52:30,188 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants.
[2021-11-20 07:52:30,189 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=460, Invalid=5392, Unknown=0, NotChecked=0, Total=5852
[2021-11-20 07:52:30,189 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:30,189 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:52:30,189 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 77 states, 77 states have (on average 6.675324675324675) internal successors, (514), 77 states have internal predecessors, (514), 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)
[2021-11-20 07:52:30,189 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:30,189 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:52:30,189 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:52:30,190 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:52:30,191 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:30,191 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:30,191 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:30,191 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:30,191 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:30,191 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:30,191 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:52:30,191 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:52:30,191 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:52:30,191 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:52:30,191 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:33,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:33,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:52:33,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:33,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:33,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:52:33,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:52:33,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:33,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:33,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:33,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:33,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:33,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:33,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:52:33,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:52:33,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:52:33,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:52:33,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:33,657 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0
[2021-11-20 07:52:33,836 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:52:33,837 INFO  L402      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:52:33,837 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:52:33,837 INFO  L85        PathProgramCache]: Analyzing trace with hash -2114721659, now seen corresponding path program 7 times
[2021-11-20 07:52:33,837 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:52:33,837 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715020413]
[2021-11-20 07:52:33,837 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:52:33,838 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:52:33,871 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:52:34,525 INFO  L134       CoverageAnalysis]: Checked inductivity of 161 backedges. 22 proven. 100 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2021-11-20 07:52:34,526 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:52:34,526 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715020413]
[2021-11-20 07:52:34,527 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715020413] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:52:34,527 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516319593]
[2021-11-20 07:52:34,527 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2021-11-20 07:52:34,527 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:52:34,527 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:52:34,529 INFO  L229       MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:52:34,530 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process
[2021-11-20 07:52:34,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:52:34,614 INFO  L263         TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 28 conjunts are in the unsatisfiable core
[2021-11-20 07:52:34,617 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:52:36,693 INFO  L134       CoverageAnalysis]: Checked inductivity of 161 backedges. 48 proven. 74 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2021-11-20 07:52:36,694 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:52:38,851 INFO  L134       CoverageAnalysis]: Checked inductivity of 161 backedges. 92 proven. 30 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2021-11-20 07:52:38,851 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [516319593] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:52:38,851 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:52:38,852 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 70
[2021-11-20 07:52:38,852 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842591333]
[2021-11-20 07:52:38,852 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:52:38,853 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 70 states
[2021-11-20 07:52:38,853 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:52:38,854 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants.
[2021-11-20 07:52:38,854 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=741, Invalid=4089, Unknown=0, NotChecked=0, Total=4830
[2021-11-20 07:52:38,854 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:38,855 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:52:38,855 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 70 states, 70 states have (on average 5.985714285714286) internal successors, (419), 70 states have internal predecessors, (419), 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)
[2021-11-20 07:52:38,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:38,855 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:52:38,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:38,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:38,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:52:38,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:52:38,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:38,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:38,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:38,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:38,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:38,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:52:38,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:52:38,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:52:38,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:38,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:38,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:38,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:38,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:52:38,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:52:38,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:52:38,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:52:38,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:38,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:38,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:38,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:38,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:38,859 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:38,859 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:52:38,859 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:52:38,859 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:52:38,859 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:52:38,859 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:38,859 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:41,107 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:41,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:52:41,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:41,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:41,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:52:41,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:52:41,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:41,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:41,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:41,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:41,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:41,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:52:41,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:52:41,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:52:41,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:41,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:41,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:41,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:41,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:52:41,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:52:41,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:52:41,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:52:41,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:41,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:41,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:41,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:41,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:41,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:41,111 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:52:41,111 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:52:41,111 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:52:41,111 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:52:41,111 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:41,113 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2021-11-20 07:52:41,133 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0
[2021-11-20 07:52:41,313 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:52:41,313 INFO  L402      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:52:41,314 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:52:41,314 INFO  L85        PathProgramCache]: Analyzing trace with hash -835330513, now seen corresponding path program 3 times
[2021-11-20 07:52:41,314 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:52:41,314 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163757403]
[2021-11-20 07:52:41,314 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:52:41,314 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:52:41,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:52:44,085 INFO  L134       CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2021-11-20 07:52:44,085 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:52:44,085 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163757403]
[2021-11-20 07:52:44,085 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163757403] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:52:44,086 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913618879]
[2021-11-20 07:52:44,086 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-11-20 07:52:44,086 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:52:44,086 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:52:44,087 INFO  L229       MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:52:44,092 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process
[2021-11-20 07:52:44,309 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2021-11-20 07:52:44,309 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:52:44,314 INFO  L263         TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 104 conjunts are in the unsatisfiable core
[2021-11-20 07:52:44,320 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:52:48,832 INFO  L354             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2021-11-20 07:52:48,833 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 20
[2021-11-20 07:52:49,843 INFO  L134       CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked.
[2021-11-20 07:52:49,843 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:52:55,475 INFO  L354             Elim1Store]: treesize reduction 50, result has 48.5 percent of original size
[2021-11-20 07:52:55,475 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 105 treesize of output 67
[2021-11-20 07:52:56,466 INFO  L134       CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked.
[2021-11-20 07:52:56,466 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [913618879] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:52:56,467 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:52:56,467 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 52, 43] total 123
[2021-11-20 07:52:56,467 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634429823]
[2021-11-20 07:52:56,467 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:52:56,468 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 123 states
[2021-11-20 07:52:56,468 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:52:56,468 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants.
[2021-11-20 07:52:56,469 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=14445, Unknown=0, NotChecked=0, Total=15006
[2021-11-20 07:52:56,469 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:56,469 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:52:56,470 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 123 states, 123 states have (on average 4.788617886178862) internal successors, (589), 123 states have internal predecessors, (589), 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)
[2021-11-20 07:52:56,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:52:56,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:52:56,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:56,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:52:56,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:52:56,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:52:56,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:56,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:52:56,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:56,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:52:56,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:56,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:52:56,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:52:56,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:52:56,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:52:56,471 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:52:56,472 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2021-11-20 07:52:56,472 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:53:30,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:53:30,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:53:30,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:53:30,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:53:30,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:53:30,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:53:30,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:53:30,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:53:30,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:53:30,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:53:30,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:53:30,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:53:30,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:53:30,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:53:30,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:53:30,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:53:30,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:53:30,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:53:30,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:53:30,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:53:30,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:53:30,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:53:30,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:53:30,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:53:30,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:53:30,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:53:30,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:53:30,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:53:30,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:53:30,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:53:30,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:53:30,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:53:30,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2021-11-20 07:53:30,145 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:53:30,145 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2021-11-20 07:53:30,169 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0
[2021-11-20 07:53:30,345 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34
[2021-11-20 07:53:30,346 INFO  L402      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:53:30,346 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:53:30,346 INFO  L85        PathProgramCache]: Analyzing trace with hash -459563835, now seen corresponding path program 9 times
[2021-11-20 07:53:30,347 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:53:30,347 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033140569]
[2021-11-20 07:53:30,347 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:53:30,347 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:53:30,371 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:53:30,856 INFO  L134       CoverageAnalysis]: Checked inductivity of 220 backedges. 45 proven. 71 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked.
[2021-11-20 07:53:30,856 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:53:30,857 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033140569]
[2021-11-20 07:53:30,857 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033140569] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:53:30,857 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739078105]
[2021-11-20 07:53:30,857 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-11-20 07:53:30,857 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:53:30,858 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:53:30,858 INFO  L229       MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:53:30,882 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process
[2021-11-20 07:53:31,134 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s)
[2021-11-20 07:53:31,134 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:53:31,138 INFO  L263         TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 22 conjunts are in the unsatisfiable core
[2021-11-20 07:53:31,142 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:53:32,889 INFO  L134       CoverageAnalysis]: Checked inductivity of 220 backedges. 70 proven. 46 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked.
[2021-11-20 07:53:32,889 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:53:34,297 INFO  L134       CoverageAnalysis]: Checked inductivity of 220 backedges. 70 proven. 46 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked.
[2021-11-20 07:53:34,297 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [739078105] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:53:34,297 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:53:34,297 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 64
[2021-11-20 07:53:34,298 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003676380]
[2021-11-20 07:53:34,298 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:53:34,299 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 64 states
[2021-11-20 07:53:34,299 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:53:34,299 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants.
[2021-11-20 07:53:34,299 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=3625, Unknown=0, NotChecked=0, Total=4032
[2021-11-20 07:53:34,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:53:34,300 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:53:34,300 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 64 states, 64 states have (on average 7.53125) internal successors, (482), 64 states have internal predecessors, (482), 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)
[2021-11-20 07:53:34,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:53:34,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:53:34,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:53:34,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:53:34,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:53:34,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:53:34,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:53:34,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:53:34,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:53:34,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:53:34,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:53:34,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:53:34,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:53:34,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:53:34,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:53:34,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:53:34,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2021-11-20 07:53:34,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:53:34,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2021-11-20 07:53:34,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:53:40,910 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:53:40,910 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:53:40,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:53:40,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:53:40,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:53:40,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:53:40,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:53:40,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:53:40,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:53:40,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:53:40,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:53:40,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:53:40,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:53:40,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:53:40,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:53:40,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2021-11-20 07:53:40,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:53:40,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. 
[2021-11-20 07:53:40,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. 
[2021-11-20 07:53:40,937 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0
[2021-11-20 07:53:41,113 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35
[2021-11-20 07:53:41,114 INFO  L402      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:53:41,114 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:53:41,114 INFO  L85        PathProgramCache]: Analyzing trace with hash 720041603, now seen corresponding path program 4 times
[2021-11-20 07:53:41,114 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:53:41,114 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133321087]
[2021-11-20 07:53:41,114 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:53:41,115 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:53:41,139 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:53:41,527 INFO  L134       CoverageAnalysis]: Checked inductivity of 201 backedges. 45 proven. 71 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked.
[2021-11-20 07:53:41,527 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:53:41,527 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133321087]
[2021-11-20 07:53:41,527 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133321087] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:53:41,527 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419100882]
[2021-11-20 07:53:41,527 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-11-20 07:53:41,528 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:53:41,528 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:53:41,528 INFO  L229       MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:53:41,529 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process
[2021-11-20 07:53:41,617 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-11-20 07:53:41,617 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:53:41,619 INFO  L263         TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 22 conjunts are in the unsatisfiable core
[2021-11-20 07:53:41,622 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:53:42,991 INFO  L134       CoverageAnalysis]: Checked inductivity of 201 backedges. 70 proven. 46 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked.
[2021-11-20 07:53:42,991 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:53:44,595 INFO  L134       CoverageAnalysis]: Checked inductivity of 201 backedges. 70 proven. 46 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked.
[2021-11-20 07:53:44,595 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [419100882] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:53:44,595 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:53:44,595 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 64
[2021-11-20 07:53:44,596 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309094759]
[2021-11-20 07:53:44,596 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:53:44,596 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 64 states
[2021-11-20 07:53:44,597 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:53:44,597 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants.
[2021-11-20 07:53:44,598 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=3625, Unknown=0, NotChecked=0, Total=4032
[2021-11-20 07:53:44,598 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:53:44,598 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:53:44,599 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 64 states, 64 states have (on average 7.78125) internal successors, (498), 64 states have internal predecessors, (498), 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)
[2021-11-20 07:53:44,599 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:53:44,599 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:53:44,599 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:53:44,599 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:53:44,599 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:53:44,599 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:53:44,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:53:44,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:53:44,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:53:44,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:53:44,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:53:44,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:53:44,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:53:44,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:53:44,601 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:53:44,601 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:53:44,601 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:53:44,601 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:53:44,601 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:53:44,601 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:53:44,601 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:53:44,601 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:53:44,602 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:53:44,602 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:53:44,602 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:53:44,602 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:53:44,602 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:53:44,602 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:53:44,602 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:53:44,603 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:53:44,603 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:53:44,603 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:53:44,603 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2021-11-20 07:53:44,603 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:53:44,603 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. 
[2021-11-20 07:53:44,603 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. 
[2021-11-20 07:53:44,603 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:53:53,902 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:53:53,902 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:53:53,902 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:53:53,903 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:53:53,903 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:53:53,903 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:53:53,903 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:53:53,903 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:53:53,903 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:53:53,904 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:53:53,904 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:53:53,904 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:53:53,904 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:53:53,904 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:53:53,904 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:53:53,904 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:53:53,905 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:53:53,905 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:53:53,905 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:53:53,905 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:53:53,905 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:53:53,905 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:53:53,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:53:53,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:53:53,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:53:53,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:53:53,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:53:53,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:53:53,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:53:53,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:53:53,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:53:53,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:53:53,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2021-11-20 07:53:53,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:53:53,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. 
[2021-11-20 07:53:53,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2021-11-20 07:53:53,908 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2021-11-20 07:53:53,943 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0
[2021-11-20 07:53:54,126 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36
[2021-11-20 07:53:54,126 INFO  L402      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:53:54,126 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:53:54,126 INFO  L85        PathProgramCache]: Analyzing trace with hash -1944043596, now seen corresponding path program 10 times
[2021-11-20 07:53:54,126 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:53:54,127 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143852352]
[2021-11-20 07:53:54,127 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:53:54,127 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:53:54,156 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:53:55,259 INFO  L134       CoverageAnalysis]: Checked inductivity of 278 backedges. 54 proven. 154 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked.
[2021-11-20 07:53:55,260 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:53:55,260 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143852352]
[2021-11-20 07:53:55,260 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143852352] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:53:55,260 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284289832]
[2021-11-20 07:53:55,260 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-11-20 07:53:55,260 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:53:55,260 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:53:55,261 INFO  L229       MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:53:55,314 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process
[2021-11-20 07:53:55,408 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-11-20 07:53:55,408 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:53:55,410 INFO  L263         TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 34 conjunts are in the unsatisfiable core
[2021-11-20 07:53:55,415 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:53:57,879 INFO  L134       CoverageAnalysis]: Checked inductivity of 278 backedges. 92 proven. 116 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked.
[2021-11-20 07:53:57,879 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:54:00,457 INFO  L134       CoverageAnalysis]: Checked inductivity of 278 backedges. 150 proven. 58 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked.
[2021-11-20 07:54:00,457 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [284289832] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:54:00,458 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:54:00,458 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 86
[2021-11-20 07:54:00,458 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673601485]
[2021-11-20 07:54:00,458 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:54:00,459 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 86 states
[2021-11-20 07:54:00,459 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:54:00,459 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants.
[2021-11-20 07:54:00,460 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1075, Invalid=6235, Unknown=0, NotChecked=0, Total=7310
[2021-11-20 07:54:00,461 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:54:00,461 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:54:00,461 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 86 states, 86 states have (on average 5.569767441860465) internal successors, (479), 86 states have internal predecessors, (479), 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)
[2021-11-20 07:54:00,461 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:54:00,461 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:54:00,462 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:54:00,462 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:54:00,462 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:54:00,462 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:54:00,462 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:54:00,462 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:54:00,462 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:54:00,462 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:54:00,463 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:54:00,463 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:54:00,463 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:54:00,463 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:54:00,463 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:00,463 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:00,463 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:54:00,463 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:54:00,464 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:54:00,464 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:54:00,464 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:54:00,464 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:54:00,464 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:00,464 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:54:00,464 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:00,464 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:00,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:54:00,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:54:00,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:54:00,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:54:00,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:54:00,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:54:00,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2021-11-20 07:54:00,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:00,465 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. 
[2021-11-20 07:54:00,466 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2021-11-20 07:54:00,466 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2021-11-20 07:54:00,466 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:54:03,937 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:54:03,937 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:54:03,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:54:03,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:54:03,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:54:03,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:54:03,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:54:03,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:54:03,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:54:03,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:54:03,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:54:03,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:54:03,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:54:03,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:54:03,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:03,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:03,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:54:03,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2021-11-20 07:54:03,940 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:03,940 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. 
[2021-11-20 07:54:03,940 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2021-11-20 07:54:03,940 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2021-11-20 07:54:03,940 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. 
[2021-11-20 07:54:03,964 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0
[2021-11-20 07:54:04,140 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37
[2021-11-20 07:54:04,141 INFO  L402      AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:54:04,141 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:54:04,141 INFO  L85        PathProgramCache]: Analyzing trace with hash -2143191950, now seen corresponding path program 5 times
[2021-11-20 07:54:04,141 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:54:04,142 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430282085]
[2021-11-20 07:54:04,142 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:54:04,142 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:54:04,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:54:05,772 INFO  L134       CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2021-11-20 07:54:05,772 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:54:05,773 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430282085]
[2021-11-20 07:54:05,773 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430282085] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:54:05,773 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120784090]
[2021-11-20 07:54:05,773 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2021-11-20 07:54:05,773 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:54:05,773 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:54:05,774 INFO  L229       MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:54:05,775 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process
[2021-11-20 07:54:05,911 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s)
[2021-11-20 07:54:05,911 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:54:05,914 INFO  L263         TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 55 conjunts are in the unsatisfiable core
[2021-11-20 07:54:05,917 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:54:07,367 INFO  L354             Elim1Store]: treesize reduction 15, result has 6.3 percent of original size
[2021-11-20 07:54:07,367 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 10
[2021-11-20 07:54:07,501 INFO  L134       CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked.
[2021-11-20 07:54:07,501 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:54:08,449 INFO  L354             Elim1Store]: treesize reduction 50, result has 48.5 percent of original size
[2021-11-20 07:54:08,449 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 54
[2021-11-20 07:54:08,862 INFO  L134       CoverageAnalysis]: Checked inductivity of 259 backedges. 1 proven. 108 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked.
[2021-11-20 07:54:08,862 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120784090] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:54:08,862 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:54:08,862 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 23, 21] total 68
[2021-11-20 07:54:08,862 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569378936]
[2021-11-20 07:54:08,862 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:54:08,863 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 68 states
[2021-11-20 07:54:08,863 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:54:08,864 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants.
[2021-11-20 07:54:08,864 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=4300, Unknown=0, NotChecked=0, Total=4556
[2021-11-20 07:54:08,864 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:54:08,864 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:54:08,864 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 68 states, 68 states have (on average 7.602941176470588) internal successors, (517), 68 states have internal predecessors, (517), 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)
[2021-11-20 07:54:08,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:54:08,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:54:08,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. 
[2021-11-20 07:54:08,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:54:15,333 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:54:15,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:54:15,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:54:15,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:54:15,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:54:15,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:54:15,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:54:15,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:54:15,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:54:15,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:54:15,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:54:15,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:54:15,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:54:15,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:54:15,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:54:15,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:54:15,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:54:15,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2021-11-20 07:54:15,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:15,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. 
[2021-11-20 07:54:15,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2021-11-20 07:54:15,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2021-11-20 07:54:15,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. 
[2021-11-20 07:54:15,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2021-11-20 07:54:15,359 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0
[2021-11-20 07:54:15,537 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38
[2021-11-20 07:54:15,537 INFO  L402      AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:54:15,538 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:54:15,538 INFO  L85        PathProgramCache]: Analyzing trace with hash 1337485234, now seen corresponding path program 8 times
[2021-11-20 07:54:15,538 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:54:15,538 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652415979]
[2021-11-20 07:54:15,538 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:54:15,538 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:54:15,562 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:54:16,721 INFO  L134       CoverageAnalysis]: Checked inductivity of 278 backedges. 54 proven. 154 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked.
[2021-11-20 07:54:16,721 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:54:16,721 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652415979]
[2021-11-20 07:54:16,721 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652415979] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:54:16,721 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98475667]
[2021-11-20 07:54:16,721 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-20 07:54:16,722 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:54:16,722 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:54:16,723 INFO  L229       MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:54:16,742 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process
[2021-11-20 07:54:16,866 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-20 07:54:16,866 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:54:16,870 INFO  L263         TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 32 conjunts are in the unsatisfiable core
[2021-11-20 07:54:16,875 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:54:19,324 INFO  L134       CoverageAnalysis]: Checked inductivity of 278 backedges. 104 proven. 99 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2021-11-20 07:54:19,324 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:54:21,446 INFO  L134       CoverageAnalysis]: Checked inductivity of 278 backedges. 133 proven. 70 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2021-11-20 07:54:21,446 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [98475667] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:54:21,446 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-20 07:54:21,447 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33, 33] total 78
[2021-11-20 07:54:21,447 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208098661]
[2021-11-20 07:54:21,447 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:54:21,448 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 78 states
[2021-11-20 07:54:21,448 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:54:21,448 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants.
[2021-11-20 07:54:21,449 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=675, Invalid=5331, Unknown=0, NotChecked=0, Total=6006
[2021-11-20 07:54:21,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:54:21,449 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:54:21,450 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 78 states, 78 states have (on average 6.628205128205129) internal successors, (517), 78 states have internal predecessors, (517), 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)
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:21,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2021-11-20 07:54:21,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:21,452 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. 
[2021-11-20 07:54:21,452 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2021-11-20 07:54:21,452 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2021-11-20 07:54:21,452 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. 
[2021-11-20 07:54:21,452 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. 
[2021-11-20 07:54:21,452 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:54:27,207 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2021-11-20 07:54:27,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2021-11-20 07:54:27,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2021-11-20 07:54:27,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. 
[2021-11-20 07:54:27,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2021-11-20 07:54:27,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. 
[2021-11-20 07:54:27,233 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0
[2021-11-20 07:54:27,410 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39
[2021-11-20 07:54:27,413 INFO  L402      AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:54:27,414 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:54:27,414 INFO  L85        PathProgramCache]: Analyzing trace with hash 1238546594, now seen corresponding path program 6 times
[2021-11-20 07:54:27,414 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:54:27,414 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106068610]
[2021-11-20 07:54:27,415 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:54:27,415 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:54:27,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:54:31,541 INFO  L134       CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 215 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2021-11-20 07:54:31,541 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:54:31,541 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106068610]
[2021-11-20 07:54:31,541 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106068610] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-20 07:54:31,541 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502452407]
[2021-11-20 07:54:31,542 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2021-11-20 07:54:31,542 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:54:31,542 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:54:31,544 INFO  L229       MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-20 07:54:31,545 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process
[2021-11-20 07:54:31,781 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s)
[2021-11-20 07:54:31,781 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-20 07:54:31,787 INFO  L263         TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 130 conjunts are in the unsatisfiable core
[2021-11-20 07:54:31,794 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:54:34,316 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2021-11-20 07:54:35,004 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13
[2021-11-20 07:54:35,133 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13
[2021-11-20 07:54:40,381 INFO  L354             Elim1Store]: treesize reduction 7, result has 56.3 percent of original size
[2021-11-20 07:54:40,382 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 25
[2021-11-20 07:54:41,642 INFO  L134       CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 215 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2021-11-20 07:54:41,642 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:57:51,946 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101
[2021-11-20 07:57:51,946 WARN  L228               Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory")

[2021-11-20 07:57:51,947 WARN  L320   FreeRefinementEngine]: Global settings require throwing the following exception
[2021-11-20 07:57:51,971 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0
[2021-11-20 07:57:52,147 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-20 07:57:52,148 FATAL L?                        ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")

	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:260)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:899)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.<init>(PredicateUnifier.java:773)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:438)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:417)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:289)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:163)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:88)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:76)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:155)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658)
	at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237)
	... 47 more
[2021-11-20 07:57:52,152 INFO  L158              Benchmark]: Toolchain (without parser) took 651381.20ms. Allocated memory was 117.4MB in the beginning and 566.2MB in the end (delta: 448.8MB). Free memory was 95.7MB in the beginning and 156.4MB in the end (delta: -60.8MB). Peak memory consumption was 388.4MB. Max. memory is 16.1GB.
[2021-11-20 07:57:52,152 INFO  L158              Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-20 07:57:52,152 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 327.33ms. Allocated memory is still 117.4MB. Free memory was 95.7MB in the beginning and 91.4MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-20 07:57:52,153 INFO  L158              Benchmark]: Boogie Procedure Inliner took 44.77ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-20 07:57:52,153 INFO  L158              Benchmark]: Boogie Preprocessor took 32.60ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 87.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-20 07:57:52,153 INFO  L158              Benchmark]: RCFGBuilder took 590.69ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 70.1MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2021-11-20 07:57:52,153 INFO  L158              Benchmark]: TraceAbstraction took 650379.12ms. Allocated memory was 117.4MB in the beginning and 566.2MB in the end (delta: 448.8MB). Free memory was 69.5MB in the beginning and 156.4MB in the end (delta: -86.9MB). Peak memory consumption was 362.9MB. Max. memory is 16.1GB.
[2021-11-20 07:57:52,156 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 327.33ms. Allocated memory is still 117.4MB. Free memory was 95.7MB in the beginning and 91.4MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 44.77ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 32.60ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 87.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 590.69ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 70.1MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 650379.12ms. Allocated memory was 117.4MB in the beginning and 566.2MB in the end (delta: 448.8MB). Free memory was 69.5MB in the beginning and 156.4MB in the end (delta: -86.9MB). Peak memory consumption was 362.9MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")

    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2021-11-20 07:57:52,203 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b78a1de0122078b80177387d59eedcdf8d73ccef913955b4bda0200e53e1d3da
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-53f42b1
[2021-11-20 07:57:54,927 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-20 07:57:54,930 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-20 07:57:54,968 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-20 07:57:54,968 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-20 07:57:54,970 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-20 07:57:54,972 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-20 07:57:54,975 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-20 07:57:54,978 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-20 07:57:54,979 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-20 07:57:54,980 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-20 07:57:54,982 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-20 07:57:54,983 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-20 07:57:54,984 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-20 07:57:54,986 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-20 07:57:54,988 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-20 07:57:54,990 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-20 07:57:54,991 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-20 07:57:54,994 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-20 07:57:54,997 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-20 07:57:55,000 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-20 07:57:55,002 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-20 07:57:55,004 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-20 07:57:55,005 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-20 07:57:55,010 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-20 07:57:55,011 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-20 07:57:55,012 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-20 07:57:55,014 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-20 07:57:55,014 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-20 07:57:55,016 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-20 07:57:55,017 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-20 07:57:55,018 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-20 07:57:55,020 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-20 07:57:55,021 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-20 07:57:55,023 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-20 07:57:55,024 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-20 07:57:55,025 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-20 07:57:55,028 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-20 07:57:55,029 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-20 07:57:55,031 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-20 07:57:55,032 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-20 07:57:55,035 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf
[2021-11-20 07:57:55,096 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-20 07:57:55,097 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-20 07:57:55,097 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-20 07:57:55,097 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-20 07:57:55,098 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-20 07:57:55,099 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-20 07:57:55,099 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-20 07:57:55,100 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-20 07:57:55,100 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-20 07:57:55,100 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-20 07:57:55,101 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-20 07:57:55,101 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-20 07:57:55,101 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-20 07:57:55,102 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-20 07:57:55,102 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-20 07:57:55,102 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-20 07:57:55,102 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2021-11-20 07:57:55,103 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2021-11-20 07:57:55,103 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-20 07:57:55,103 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-20 07:57:55,103 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-20 07:57:55,104 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-20 07:57:55,104 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-20 07:57:55,104 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-20 07:57:55,105 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-20 07:57:55,105 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 07:57:55,105 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-20 07:57:55,106 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-20 07:57:55,106 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-20 07:57:55,106 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2021-11-20 07:57:55,106 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-11-20 07:57:55,107 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-11-20 07:57:55,107 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-11-20 07:57:55,107 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-20 07:57:55,108 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-11-20 07:57:55,108 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-11-20 07:57:55,108 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-11-20 07:57:55,108 INFO  L138        SettingsManager]:  * Logic for external solver=AUFBV
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_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/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_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d
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 -> GemCutter
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 -> b78a1de0122078b80177387d59eedcdf8d73ccef913955b4bda0200e53e1d3da
[2021-11-20 07:57:55,453 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-20 07:57:55,481 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-20 07:57:55,485 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-20 07:57:55,487 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-20 07:57:55,488 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-20 07:57:55,489 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c
[2021-11-20 07:57:55,578 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/data/0955807f7/07d3ef59666a451fa88f4321a605cc5e/FLAG894388eb7
[2021-11-20 07:57:56,144 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-20 07:57:56,144 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c
[2021-11-20 07:57:56,152 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/data/0955807f7/07d3ef59666a451fa88f4321a605cc5e/FLAG894388eb7
[2021-11-20 07:57:56,563 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/data/0955807f7/07d3ef59666a451fa88f4321a605cc5e
[2021-11-20 07:57:56,567 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-20 07:57:56,568 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-20 07:57:56,570 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-20 07:57:56,570 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-20 07:57:56,576 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-20 07:57:56,577 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:57:56" (1/1) ...
[2021-11-20 07:57:56,579 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74405e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:56, skipping insertion in model container
[2021-11-20 07:57:56,579 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:57:56" (1/1) ...
[2021-11-20 07:57:56,586 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-20 07:57:56,617 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-20 07:57:56,801 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_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c[2482,2495]
[2021-11-20 07:57:56,814 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-20 07:57:56,840 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-20 07:57:56,915 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_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c[2482,2495]
[2021-11-20 07:57:56,921 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-20 07:57:56,939 INFO  L208         MainTranslator]: Completed translation
[2021-11-20 07:57:56,940 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:56 WrapperNode
[2021-11-20 07:57:56,940 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-20 07:57:56,941 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-20 07:57:56,942 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-20 07:57:56,942 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-20 07:57:56,947 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:56" (1/1) ...
[2021-11-20 07:57:56,959 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:56" (1/1) ...
[2021-11-20 07:57:56,992 INFO  L137                Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 192
[2021-11-20 07:57:56,993 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-20 07:57:56,994 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-20 07:57:56,994 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-20 07:57:56,994 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-20 07:57:57,003 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:56" (1/1) ...
[2021-11-20 07:57:57,003 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:56" (1/1) ...
[2021-11-20 07:57:57,009 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:56" (1/1) ...
[2021-11-20 07:57:57,009 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:56" (1/1) ...
[2021-11-20 07:57:57,022 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:56" (1/1) ...
[2021-11-20 07:57:57,028 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:56" (1/1) ...
[2021-11-20 07:57:57,031 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:56" (1/1) ...
[2021-11-20 07:57:57,036 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-20 07:57:57,038 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-20 07:57:57,038 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-20 07:57:57,038 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-20 07:57:57,039 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:56" (1/1) ...
[2021-11-20 07:57:57,047 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 07:57:57,062 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:57:57,078 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-20 07:57:57,090 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-20 07:57:57,122 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-20 07:57:57,122 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-11-20 07:57:57,123 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-20 07:57:57,123 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-11-20 07:57:57,123 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-11-20 07:57:57,123 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-11-20 07:57:57,124 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-11-20 07:57:57,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-11-20 07:57:57,124 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-20 07:57:57,124 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-20 07:57:57,125 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-20 07:57:57,125 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-20 07:57:57,125 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-11-20 07:57:57,127 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-11-20 07:57:57,222 INFO  L236             CfgBuilder]: Building ICFG
[2021-11-20 07:57:57,223 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-20 07:57:57,741 INFO  L277             CfgBuilder]: Performing block encoding
[2021-11-20 07:57:57,758 INFO  L296             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-20 07:57:57,761 INFO  L301             CfgBuilder]: Removed 4 assume(true) statements.
[2021-11-20 07:57:57,764 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:57:57 BoogieIcfgContainer
[2021-11-20 07:57:57,765 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-20 07:57:57,767 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-20 07:57:57,767 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-20 07:57:57,770 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-20 07:57:57,771 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:57:56" (1/3) ...
[2021-11-20 07:57:57,772 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e97fa0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:57:57, skipping insertion in model container
[2021-11-20 07:57:57,772 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:56" (2/3) ...
[2021-11-20 07:57:57,773 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e97fa0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:57:57, skipping insertion in model container
[2021-11-20 07:57:57,773 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:57:57" (3/3) ...
[2021-11-20 07:57:57,774 INFO  L111   eAbstractionObserver]: Analyzing ICFG chl-array-int-symm.wvr.c
[2021-11-20 07:57:57,783 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-11-20 07:57:57,783 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-20 07:57:57,784 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-20 07:57:57,784 INFO  L513   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-11-20 07:57:57,864 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,865 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,866 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,867 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,867 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,868 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,868 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,868 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,869 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,869 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,870 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,870 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,870 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,871 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,871 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,871 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,872 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,872 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,873 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,873 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,878 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,878 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,879 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,879 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,880 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,880 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,880 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,880 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,881 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,881 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,881 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,881 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,881 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,882 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,882 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,882 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,882 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,883 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,883 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,883 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,883 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,884 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,884 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,885 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,885 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,885 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,886 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,886 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,886 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,886 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,887 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,887 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,887 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,888 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,888 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,889 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,889 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,889 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,890 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,890 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,893 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,893 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,893 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,895 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,895 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,895 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,895 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,896 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,896 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,897 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,898 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,899 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,901 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,902 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,902 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,903 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,903 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,903 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,903 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,904 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,904 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,910 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,911 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,911 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,911 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,912 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,912 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,912 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,912 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,912 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,913 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,913 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,913 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,913 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,914 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,914 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,914 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,914 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,914 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,915 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,916 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,916 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,916 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,916 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,916 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,917 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,917 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,917 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,917 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,917 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,918 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,918 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,918 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,918 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,919 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,919 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,919 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,920 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,920 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,921 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,921 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,921 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,922 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,922 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,922 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,922 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,922 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,923 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,923 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,923 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,923 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,924 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,924 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,924 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,924 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,947 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,948 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,948 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,948 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,948 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,949 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,949 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,949 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,950 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,950 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,960 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,960 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,960 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,960 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,962 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,962 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,962 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,962 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,963 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,963 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,964 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,969 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,969 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,969 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,969 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,969 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,970 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,970 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,970 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,970 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,972 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,972 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,972 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,973 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,973 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,973 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,973 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,973 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,974 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,974 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,974 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,974 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,974 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,975 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,975 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,975 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,975 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,975 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,976 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,976 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,976 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,976 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,976 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,977 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,977 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,977 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,977 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,977 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,978 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,978 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,978 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,978 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,978 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,982 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,982 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,982 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,983 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,983 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,983 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,984 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,984 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,985 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,985 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,985 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,985 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,986 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,986 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,986 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,986 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,992 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,992 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,992 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,993 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,993 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,993 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,993 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,994 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,994 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,994 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,994 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,994 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,995 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,995 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,995 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,995 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:57:57,999 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2021-11-20 07:57:58,077 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-11-20 07:57:58,078 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:57:58,083 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-11-20 07:57:58,091 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-11-20 07:57:58,132 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-11-20 07:57:58,142 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=PARTIAL_ORDER_FA, 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 07:57:58,149 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-11-20 07:57:58,445 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:57:58,452 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:57:58,453 INFO  L85        PathProgramCache]: Analyzing trace with hash 1827621018, now seen corresponding path program 1 times
[2021-11-20 07:57:58,468 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:57:58,469 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108102216]
[2021-11-20 07:57:58,469 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:57:58,470 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:57:58,470 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat
[2021-11-20 07:57:58,476 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:57:58,494 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2021-11-20 07:57:58,645 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:57:58,652 INFO  L263         TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core
[2021-11-20 07:57:58,660 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:57:59,035 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:57:59,035 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:57:59,249 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:57:59,250 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:57:59,250 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108102216]
[2021-11-20 07:57:59,251 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [108102216] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:57:59,251 INFO  L186   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:57:59,251 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2021-11-20 07:57:59,253 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113391701]
[2021-11-20 07:57:59,254 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:57:59,259 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-20 07:57:59,260 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:57:59,279 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-20 07:57:59,281 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-20 07:57:59,282 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:57:59,283 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:57:59,285 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 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)
[2021-11-20 07:57:59,285 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:57:59,319 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:57:59,337 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2021-11-20 07:57:59,538 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3
[2021-11-20 07:57:59,538 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:57:59,539 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:57:59,539 INFO  L85        PathProgramCache]: Analyzing trace with hash -1084564706, now seen corresponding path program 1 times
[2021-11-20 07:57:59,540 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:57:59,540 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093305606]
[2021-11-20 07:57:59,540 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:57:59,540 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:57:59,540 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat
[2021-11-20 07:57:59,541 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:57:59,542 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2021-11-20 07:57:59,678 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:57:59,693 INFO  L263         TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 28 conjunts are in the unsatisfiable core
[2021-11-20 07:57:59,699 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:58:03,364 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:58:03,365 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:58:08,230 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:58:08,230 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:58:08,230 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093305606]
[2021-11-20 07:58:08,231 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2093305606] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:58:08,231 INFO  L186   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:58:08,231 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [28, 27] imperfect sequences [] total 51
[2021-11-20 07:58:08,232 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433375516]
[2021-11-20 07:58:08,232 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:58:08,235 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 51 states
[2021-11-20 07:58:08,236 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:58:08,237 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants.
[2021-11-20 07:58:08,240 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=424, Invalid=2126, Unknown=0, NotChecked=0, Total=2550
[2021-11-20 07:58:08,240 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:08,240 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:58:08,242 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 51 states, 51 states have (on average 4.313725490196078) internal successors, (220), 51 states have internal predecessors, (220), 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)
[2021-11-20 07:58:08,242 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:08,242 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:11,366 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:11,367 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-20 07:58:11,384 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2021-11-20 07:58:11,568 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3
[2021-11-20 07:58:11,568 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:58:11,568 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:58:11,569 INFO  L85        PathProgramCache]: Analyzing trace with hash -324202347, now seen corresponding path program 1 times
[2021-11-20 07:58:11,569 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:58:11,569 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569009173]
[2021-11-20 07:58:11,570 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:58:11,570 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:58:11,570 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat
[2021-11-20 07:58:11,573 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:58:11,585 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2021-11-20 07:58:11,727 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:58:11,732 INFO  L263         TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-11-20 07:58:11,737 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:58:12,603 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:58:12,603 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:58:13,229 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:58:13,229 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:58:13,229 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569009173]
[2021-11-20 07:58:13,229 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1569009173] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:58:13,229 INFO  L186   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:58:13,229 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 12] imperfect sequences [] total 23
[2021-11-20 07:58:13,230 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8045037]
[2021-11-20 07:58:13,230 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:58:13,231 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2021-11-20 07:58:13,231 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:58:13,231 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2021-11-20 07:58:13,232 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506
[2021-11-20 07:58:13,232 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:13,232 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:58:13,232 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 23 states have (on average 10.043478260869565) internal successors, (231), 23 states have internal predecessors, (231), 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)
[2021-11-20 07:58:13,233 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:13,233 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-20 07:58:13,233 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:13,964 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:13,964 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-20 07:58:13,964 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2021-11-20 07:58:13,978 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2021-11-20 07:58:14,176 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3
[2021-11-20 07:58:14,177 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:58:14,177 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:58:14,177 INFO  L85        PathProgramCache]: Analyzing trace with hash -239407609, now seen corresponding path program 1 times
[2021-11-20 07:58:14,178 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:58:14,178 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729932200]
[2021-11-20 07:58:14,178 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:58:14,179 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:58:14,179 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat
[2021-11-20 07:58:14,180 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:58:14,182 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2021-11-20 07:58:14,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:58:14,341 INFO  L263         TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-11-20 07:58:14,345 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:58:15,184 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:58:15,184 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:58:15,877 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:58:15,877 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:58:15,878 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729932200]
[2021-11-20 07:58:15,878 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [729932200] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:58:15,878 INFO  L186   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:58:15,878 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 12] imperfect sequences [] total 23
[2021-11-20 07:58:15,879 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645757928]
[2021-11-20 07:58:15,879 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:58:15,879 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2021-11-20 07:58:15,879 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:58:15,880 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2021-11-20 07:58:15,880 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506
[2021-11-20 07:58:15,880 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:15,881 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:58:15,881 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 23 states have (on average 9.826086956521738) internal successors, (226), 23 states have internal predecessors, (226), 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)
[2021-11-20 07:58:15,881 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:15,881 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-20 07:58:15,882 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2021-11-20 07:58:15,882 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:16,888 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:16,888 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:58:16,888 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2021-11-20 07:58:16,888 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2021-11-20 07:58:16,900 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2021-11-20 07:58:17,089 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3
[2021-11-20 07:58:17,089 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:58:17,091 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:58:17,091 INFO  L85        PathProgramCache]: Analyzing trace with hash 1458360321, now seen corresponding path program 1 times
[2021-11-20 07:58:17,091 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:58:17,092 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884230016]
[2021-11-20 07:58:17,092 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:58:17,092 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:58:17,092 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat
[2021-11-20 07:58:17,093 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:58:17,096 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2021-11-20 07:58:17,245 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:58:17,251 INFO  L263         TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 33 conjunts are in the unsatisfiable core
[2021-11-20 07:58:17,255 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:58:19,818 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:58:19,818 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:58:34,128 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:58:34,128 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:58:34,128 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884230016]
[2021-11-20 07:58:34,129 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884230016] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:58:34,129 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2021-11-20 07:58:34,129 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29] total 58
[2021-11-20 07:58:34,129 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925233244]
[2021-11-20 07:58:34,129 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:58:34,130 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 58 states
[2021-11-20 07:58:34,130 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:58:34,131 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants.
[2021-11-20 07:58:34,132 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=533, Invalid=2773, Unknown=0, NotChecked=0, Total=3306
[2021-11-20 07:58:34,133 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:34,133 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:58:34,133 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 58 states, 58 states have (on average 3.9482758620689653) internal successors, (229), 58 states have internal predecessors, (229), 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)
[2021-11-20 07:58:34,134 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:34,134 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2021-11-20 07:58:34,134 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2021-11-20 07:58:34,134 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2021-11-20 07:58:34,134 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:48,344 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:48,344 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2021-11-20 07:58:48,344 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-20 07:58:48,344 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-20 07:58:48,344 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2021-11-20 07:58:48,356 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0
[2021-11-20 07:58:48,544 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3
[2021-11-20 07:58:48,545 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:58:48,545 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:58:48,545 INFO  L85        PathProgramCache]: Analyzing trace with hash 613314529, now seen corresponding path program 1 times
[2021-11-20 07:58:48,546 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:58:48,546 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22054457]
[2021-11-20 07:58:48,546 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:58:48,546 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:58:48,547 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat
[2021-11-20 07:58:48,547 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:58:48,548 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process
[2021-11-20 07:58:48,694 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:58:48,701 INFO  L263         TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 25 conjunts are in the unsatisfiable core
[2021-11-20 07:58:48,704 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:58:50,345 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:58:50,346 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:58:51,887 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:58:51,887 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:58:51,887 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22054457]
[2021-11-20 07:58:51,887 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [22054457] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:58:51,887 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2021-11-20 07:58:51,888 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 21] total 45
[2021-11-20 07:58:51,888 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031947573]
[2021-11-20 07:58:51,888 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:58:51,889 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 45 states
[2021-11-20 07:58:51,889 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:58:51,890 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants.
[2021-11-20 07:58:51,891 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=1567, Unknown=0, NotChecked=0, Total=1980
[2021-11-20 07:58:51,891 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:51,891 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:58:51,892 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 45 states, 45 states have (on average 5.4) internal successors, (243), 45 states have internal predecessors, (243), 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)
[2021-11-20 07:58:51,892 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:51,892 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. 
[2021-11-20 07:58:51,892 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-20 07:58:51,892 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-20 07:58:51,892 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2021-11-20 07:58:51,893 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:55,825 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:55,825 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2021-11-20 07:58:55,825 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-20 07:58:55,825 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-20 07:58:55,825 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2021-11-20 07:58:55,826 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:58:55,839 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0
[2021-11-20 07:58:56,026 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3
[2021-11-20 07:58:56,027 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:58:56,027 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:58:56,027 INFO  L85        PathProgramCache]: Analyzing trace with hash 698109267, now seen corresponding path program 1 times
[2021-11-20 07:58:56,027 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:58:56,028 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700330398]
[2021-11-20 07:58:56,028 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:58:56,028 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:58:56,028 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat
[2021-11-20 07:58:56,029 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:58:56,033 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process
[2021-11-20 07:58:56,156 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:58:56,161 INFO  L263         TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 25 conjunts are in the unsatisfiable core
[2021-11-20 07:58:56,164 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:58:58,090 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:58:58,090 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:58:59,755 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:58:59,755 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:58:59,755 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1700330398]
[2021-11-20 07:58:59,755 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1700330398] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-20 07:58:59,755 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2021-11-20 07:58:59,756 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 21] total 45
[2021-11-20 07:58:59,756 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576259531]
[2021-11-20 07:58:59,756 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2021-11-20 07:58:59,756 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 45 states
[2021-11-20 07:58:59,756 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:58:59,757 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants.
[2021-11-20 07:58:59,758 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=1536, Unknown=0, NotChecked=0, Total=1980
[2021-11-20 07:58:59,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:59,758 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:58:59,759 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 45 states, 45 states have (on average 6.111111111111111) internal successors, (275), 45 states have internal predecessors, (275), 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)
[2021-11-20 07:58:59,759 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:58:59,759 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. 
[2021-11-20 07:58:59,759 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-20 07:58:59,759 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-20 07:58:59,759 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2021-11-20 07:58:59,759 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:58:59,759 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:59:02,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:59:02,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2021-11-20 07:59:02,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-20 07:59:02,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-20 07:59:02,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2021-11-20 07:59:02,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:59:02,409 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:59:02,427 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0
[2021-11-20 07:59:02,609 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3
[2021-11-20 07:59:02,610 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:59:02,610 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:59:02,610 INFO  L85        PathProgramCache]: Analyzing trace with hash 844132042, now seen corresponding path program 1 times
[2021-11-20 07:59:02,611 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:59:02,611 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641255999]
[2021-11-20 07:59:02,611 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:59:02,611 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:59:02,611 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat
[2021-11-20 07:59:02,612 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:59:02,615 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process
[2021-11-20 07:59:02,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:59:02,783 INFO  L263         TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-11-20 07:59:02,787 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:59:03,562 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-11-20 07:59:03,562 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:59:04,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-11-20 07:59:04,210 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:59:04,211 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641255999]
[2021-11-20 07:59:04,211 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1641255999] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:59:04,211 INFO  L186   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:59:04,211 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 12] imperfect sequences [] total 23
[2021-11-20 07:59:04,211 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408443651]
[2021-11-20 07:59:04,211 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:59:04,212 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2021-11-20 07:59:04,212 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:59:04,213 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2021-11-20 07:59:04,214 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506
[2021-11-20 07:59:04,214 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:59:04,214 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:59:04,214 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 23 states have (on average 10.304347826086957) internal successors, (237), 23 states have internal predecessors, (237), 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)
[2021-11-20 07:59:04,215 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:59:04,215 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. 
[2021-11-20 07:59:04,215 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-20 07:59:04,215 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-20 07:59:04,215 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2021-11-20 07:59:04,215 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:59:04,215 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-20 07:59:04,215 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:59:09,206 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-20 07:59:09,206 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2021-11-20 07:59:09,206 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-20 07:59:09,206 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-20 07:59:09,207 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. 
[2021-11-20 07:59:09,207 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2021-11-20 07:59:09,207 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-20 07:59:09,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-20 07:59:09,234 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0
[2021-11-20 07:59:09,430 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3
[2021-11-20 07:59:09,430 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:59:09,430 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:59:09,431 INFO  L85        PathProgramCache]: Analyzing trace with hash -1585175891, now seen corresponding path program 1 times
[2021-11-20 07:59:09,431 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:59:09,431 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806373236]
[2021-11-20 07:59:09,431 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:59:09,431 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:59:09,432 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat
[2021-11-20 07:59:09,433 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:59:09,448 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e42f8a8-ebb0-45a2-ae5d-45397bba5d22/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process
[2021-11-20 07:59:09,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:59:09,768 INFO  L263         TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 54 conjunts are in the unsatisfiable core
[2021-11-20 07:59:09,771 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:59:13,084 INFO  L354             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2021-11-20 07:59:13,085 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 30