/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 06:12:44,772 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 06:12:44,777 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 06:12:44,822 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 06:12:44,823 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 06:12:44,831 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 06:12:44,834 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 06:12:44,837 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 06:12:44,840 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 06:12:44,843 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 06:12:44,844 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 06:12:44,847 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 06:12:44,847 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 06:12:44,850 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 06:12:44,852 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 06:12:44,854 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 06:12:44,855 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 06:12:44,856 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 06:12:44,858 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 06:12:44,864 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 06:12:44,868 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 06:12:44,869 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 06:12:44,870 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 06:12:44,871 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 06:12:44,873 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 06:12:44,873 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 06:12:44,874 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 06:12:44,875 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 06:12:44,875 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 06:12:44,876 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 06:12:44,876 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 06:12:44,877 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 06:12:44,878 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 06:12:44,879 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 06:12:44,880 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 06:12:44,880 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 06:12:44,881 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 06:12:44,882 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 06:12:44,882 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 06:12:44,883 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 06:12:44,884 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 06:12:44,885 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf
[2020-09-25 06:12:44,912 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 06:12:44,912 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 06:12:44,913 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 06:12:44,914 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 06:12:44,914 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 06:12:44,914 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 06:12:44,914 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 06:12:44,914 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 06:12:44,915 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 06:12:44,915 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 06:12:44,915 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 06:12:44,915 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 06:12:44,915 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 06:12:44,916 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 06:12:44,916 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 06:12:44,916 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 06:12:44,916 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 06:12:44,916 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 06:12:44,917 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 06:12:44,917 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 06:12:44,917 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 06:12:44,917 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 06:12:44,918 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 06:12:44,918 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 06:12:44,918 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 06:12:44,918 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 06:12:44,918 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2020-09-25 06:12:44,919 INFO  L138        SettingsManager]:  * To the following directory=dump/
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
[2020-09-25 06:12:45,426 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 06:12:45,444 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 06:12:45,449 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 06:12:45,451 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 06:12:45,452 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 06:12:45,453 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i
[2020-09-25 06:12:45,551 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a34af3f6/305f6fc34d14493888fdb4c742f768fd/FLAGb3b781a17
[2020-09-25 06:12:46,366 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 06:12:46,367 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i
[2020-09-25 06:12:46,408 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a34af3f6/305f6fc34d14493888fdb4c742f768fd/FLAGb3b781a17
[2020-09-25 06:12:46,466 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a34af3f6/305f6fc34d14493888fdb4c742f768fd
[2020-09-25 06:12:46,483 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 06:12:46,489 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 06:12:46,493 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 06:12:46,493 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 06:12:46,498 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 06:12:46,499 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:12:46" (1/1) ...
[2020-09-25 06:12:46,506 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee39e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:46, skipping insertion in model container
[2020-09-25 06:12:46,506 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:12:46" (1/1) ...
[2020-09-25 06:12:46,517 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 06:12:46,623 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 06:12:47,655 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 06:12:47,708 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 06:12:47,956 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 06:12:48,079 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 06:12:48,081 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48 WrapperNode
[2020-09-25 06:12:48,081 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 06:12:48,089 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 06:12:48,089 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 06:12:48,089 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 06:12:48,109 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (1/1) ...
[2020-09-25 06:12:48,109 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (1/1) ...
[2020-09-25 06:12:48,176 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (1/1) ...
[2020-09-25 06:12:48,176 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (1/1) ...
[2020-09-25 06:12:48,247 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (1/1) ...
[2020-09-25 06:12:48,265 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (1/1) ...
[2020-09-25 06:12:48,282 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (1/1) ...
[2020-09-25 06:12:48,302 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 06:12:48,306 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 06:12:48,306 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 06:12:48,306 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 06:12:48,309 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 06:12:48,414 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 06:12:48,414 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 06:12:48,415 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0
[2020-09-25 06:12:48,415 INFO  L138     BoogieDeclarations]: Found implementation of procedure PTR_ERR
[2020-09-25 06:12:48,415 INFO  L138     BoogieDeclarations]: Found implementation of procedure IS_ERR
[2020-09-25 06:12:48,415 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata
[2020-09-25 06:12:48,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata
[2020-09-25 06:12:48,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_get_functionality
[2020-09-25 06:12:48,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_check_functionality
[2020-09-25 06:12:48,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure isl6271a_get_voltage_sel
[2020-09-25 06:12:48,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure isl6271a_set_voltage_sel
[2020-09-25 06:12:48,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure isl6271a_probe
[2020-09-25 06:12:48,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure isl6271a_remove
[2020-09-25 06:12:48,418 INFO  L138     BoogieDeclarations]: Found implementation of procedure isl6271a_init
[2020-09-25 06:12:48,418 INFO  L138     BoogieDeclarations]: Found implementation of procedure isl6271a_cleanup
[2020-09-25 06:12:48,418 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 06:12:48,418 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1
[2020-09-25 06:12:48,418 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2
[2020-09-25 06:12:48,418 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3
[2020-09-25 06:12:48,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4
[2020-09-25 06:12:48,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5
[2020-09-25 06:12:48,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6
[2020-09-25 06:12:48,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7
[2020-09-25 06:12:48,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8
[2020-09-25 06:12:48,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9
[2020-09-25 06:12:48,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10
[2020-09-25 06:12:48,421 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11
[2020-09-25 06:12:48,424 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2020-09-25 06:12:48,424 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2020-09-25 06:12:48,424 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap
[2020-09-25 06:12:48,425 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct
[2020-09-25 06:12:48,425 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct
[2020-09-25 06:12:48,425 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct
[2020-09-25 06:12:48,425 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct
[2020-09-25 06:12:48,426 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct
[2020-09-25 06:12:48,426 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct
[2020-09-25 06:12:48,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct
[2020-09-25 06:12:48,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock
[2020-09-25 06:12:48,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock
[2020-09-25 06:12:48,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock
[2020-09-25 06:12:48,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock
[2020-09-25 06:12:48,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock
[2020-09-25 06:12:48,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock
[2020-09-25 06:12:48,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock
[2020-09-25 06:12:48,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic
[2020-09-25 06:12:48,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic
[2020-09-25 06:12:48,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic
[2020-09-25 06:12:48,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx_of_isl_pmic
[2020-09-25 06:12:48,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic
[2020-09-25 06:12:48,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx_of_isl_pmic
[2020-09-25 06:12:48,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic
[2020-09-25 06:12:48,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device
[2020-09-25 06:12:48,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device
[2020-09-25 06:12:48,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device
[2020-09-25 06:12:48,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device
[2020-09-25 06:12:48,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device
[2020-09-25 06:12:48,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device
[2020-09-25 06:12:48,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device
[2020-09-25 06:12:48,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2020-09-25 06:12:48,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2020-09-25 06:12:48,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure __mutex_init
[2020-09-25 06:12:48,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_err
[2020-09-25 06:12:48,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-25 06:12:48,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2020-09-25 06:12:48,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_get_drvdata
[2020-09-25 06:12:48,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_set_drvdata
[2020-09-25 06:12:48,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure devm_kzalloc
[2020-09-25 06:12:48,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_del_driver
[2020-09-25 06:12:48,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_register_driver
[2020-09-25 06:12:48,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte
[2020-09-25 06:12:48,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte
[2020-09-25 06:12:48,434 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_lock
[2020-09-25 06:12:48,434 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_trylock
[2020-09-25 06:12:48,434 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_unlock
[2020-09-25 06:12:48,435 INFO  L138     BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata
[2020-09-25 06:12:48,435 INFO  L138     BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear
[2020-09-25 06:12:48,435 INFO  L138     BoogieDeclarations]: Found implementation of procedure regulator_map_voltage_linear
[2020-09-25 06:12:48,435 INFO  L138     BoogieDeclarations]: Found implementation of procedure regulator_register
[2020-09-25 06:12:48,435 INFO  L138     BoogieDeclarations]: Found implementation of procedure regulator_unregister
[2020-09-25 06:12:48,435 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2020-09-25 06:12:48,436 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 06:12:48,436 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2020-09-25 06:12:48,436 INFO  L130     BoogieDeclarations]: Found specification of procedure PTR_ERR
[2020-09-25 06:12:48,436 INFO  L130     BoogieDeclarations]: Found specification of procedure IS_ERR
[2020-09-25 06:12:48,436 INFO  L130     BoogieDeclarations]: Found specification of procedure __mutex_init
[2020-09-25 06:12:48,437 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_trylock
[2020-09-25 06:12:48,437 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4
[2020-09-25 06:12:48,437 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_unlock
[2020-09-25 06:12:48,437 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2
[2020-09-25 06:12:48,437 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5
[2020-09-25 06:12:48,437 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7
[2020-09-25 06:12:48,437 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9
[2020-09-25 06:12:48,438 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11
[2020-09-25 06:12:48,438 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_lock
[2020-09-25 06:12:48,438 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1
[2020-09-25 06:12:48,438 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3
[2020-09-25 06:12:48,438 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6
[2020-09-25 06:12:48,438 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8
[2020-09-25 06:12:48,438 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10
[2020-09-25 06:12:48,438 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct
[2020-09-25 06:12:48,438 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct
[2020-09-25 06:12:48,438 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock
[2020-09-25 06:12:48,439 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock
[2020-09-25 06:12:48,439 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic
[2020-09-25 06:12:48,439 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic
[2020-09-25 06:12:48,439 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device
[2020-09-25 06:12:48,439 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device
[2020-09-25 06:12:48,439 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device
[2020-09-25 06:12:48,439 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 06:12:48,440 INFO  L130     BoogieDeclarations]: Found specification of procedure devm_kzalloc
[2020-09-25 06:12:48,440 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_get_drvdata
[2020-09-25 06:12:48,440 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_set_drvdata
[2020-09-25 06:12:48,440 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_err
[2020-09-25 06:12:48,440 INFO  L130     BoogieDeclarations]: Found specification of procedure regulator_register
[2020-09-25 06:12:48,440 INFO  L130     BoogieDeclarations]: Found specification of procedure regulator_unregister
[2020-09-25 06:12:48,440 INFO  L130     BoogieDeclarations]: Found specification of procedure rdev_get_drvdata
[2020-09-25 06:12:48,440 INFO  L130     BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear
[2020-09-25 06:12:48,441 INFO  L130     BoogieDeclarations]: Found specification of procedure regulator_map_voltage_linear
[2020-09-25 06:12:48,441 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte
[2020-09-25 06:12:48,441 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte
[2020-09-25 06:12:48,441 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_get_clientdata
[2020-09-25 06:12:48,441 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_set_clientdata
[2020-09-25 06:12:48,441 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_register_driver
[2020-09-25 06:12:48,442 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_del_driver
[2020-09-25 06:12:48,442 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_get_functionality
[2020-09-25 06:12:48,442 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0
[2020-09-25 06:12:48,442 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 06:12:48,442 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_check_functionality
[2020-09-25 06:12:48,442 INFO  L130     BoogieDeclarations]: Found specification of procedure isl6271a_get_voltage_sel
[2020-09-25 06:12:48,443 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 06:12:48,443 INFO  L130     BoogieDeclarations]: Found specification of procedure isl6271a_set_voltage_sel
[2020-09-25 06:12:48,443 INFO  L130     BoogieDeclarations]: Found specification of procedure isl6271a_probe
[2020-09-25 06:12:48,443 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 06:12:48,444 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 06:12:48,444 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 06:12:48,444 INFO  L130     BoogieDeclarations]: Found specification of procedure isl6271a_remove
[2020-09-25 06:12:48,444 INFO  L130     BoogieDeclarations]: Found specification of procedure isl6271a_init
[2020-09-25 06:12:48,444 INFO  L130     BoogieDeclarations]: Found specification of procedure isl6271a_cleanup
[2020-09-25 06:12:48,445 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2020-09-25 06:12:48,445 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2020-09-25 06:12:48,445 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 06:12:48,445 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2020-09-25 06:12:48,445 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_trap
[2020-09-25 06:12:48,446 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct
[2020-09-25 06:12:48,446 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct
[2020-09-25 06:12:48,446 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct
[2020-09-25 06:12:48,446 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct
[2020-09-25 06:12:48,446 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct
[2020-09-25 06:12:48,447 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock
[2020-09-25 06:12:48,447 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock
[2020-09-25 06:12:48,447 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock
[2020-09-25 06:12:48,447 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock
[2020-09-25 06:12:48,447 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock
[2020-09-25 06:12:48,448 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic
[2020-09-25 06:12:48,448 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic
[2020-09-25 06:12:48,448 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx_of_isl_pmic
[2020-09-25 06:12:48,448 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic
[2020-09-25 06:12:48,448 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx_of_isl_pmic
[2020-09-25 06:12:48,448 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device
[2020-09-25 06:12:48,449 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device
[2020-09-25 06:12:48,449 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device
[2020-09-25 06:12:48,449 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device
[2020-09-25 06:12:48,449 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2020-09-25 06:12:48,449 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 06:12:48,450 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 06:12:48,450 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-25 06:12:48,450 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2020-09-25 06:12:48,450 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 06:12:48,450 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 06:12:48,450 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2020-09-25 06:12:48,451 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 06:12:48,451 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 06:12:48,451 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2020-09-25 06:12:48,451 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 06:12:48,451 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 06:12:50,145 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 06:12:50,145 INFO  L295             CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-25 06:12:50,157 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:12:50 BoogieIcfgContainer
[2020-09-25 06:12:50,157 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 06:12:50,159 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 06:12:50,159 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 06:12:50,163 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 06:12:50,164 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:12:46" (1/3) ...
[2020-09-25 06:12:50,165 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8bea8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:12:50, skipping insertion in model container
[2020-09-25 06:12:50,165 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (2/3) ...
[2020-09-25 06:12:50,166 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8bea8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:12:50, skipping insertion in model container
[2020-09-25 06:12:50,166 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:12:50" (3/3) ...
[2020-09-25 06:12:50,168 INFO  L109   eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i
[2020-09-25 06:12:50,183 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 06:12:50,196 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 06:12:50,221 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 06:12:50,256 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 06:12:50,256 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 06:12:50,256 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 06:12:50,256 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 06:12:50,256 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 06:12:50,257 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 06:12:50,257 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 06:12:50,257 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 06:12:50,296 INFO  L276                IsEmpty]: Start isEmpty. Operand 934 states.
[2020-09-25 06:12:50,317 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 279
[2020-09-25 06:12:50,317 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:12:50,319 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:12:50,320 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:12:50,329 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:12:50,330 INFO  L82        PathProgramCache]: Analyzing trace with hash -945339618, now seen corresponding path program 1 times
[2020-09-25 06:12:50,342 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:12:50,343 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199426314]
[2020-09-25 06:12:50,343 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:12:50,799 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:12:51,038 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:12:51,777 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:12:52,533 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:12:52,533 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 295
[2020-09-25 06:12:52,534 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 06:12:52,534 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1708
[2020-09-25 06:12:52,537 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:12:52,538 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:12:52,538 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:12:52,538 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 250
[2020-09-25 06:12:52,538 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 41
[2020-09-25 06:12:52,539 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 06:12:53,039 WARN  L193               SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 169
[2020-09-25 06:12:53,042 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:12:53,060 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:12:53,085 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:12:53,299 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:12:53,300 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 239
[2020-09-25 06:12:53,300 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:12:53,300 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 238
[2020-09-25 06:12:53,301 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:12:53,301 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:12:53,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:12:53,301 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:12:53,302 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:12:53,302 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:12:53,464 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240
[2020-09-25 06:12:53,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:12:53,472 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:12:53,496 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:12:53,496 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 06:12:53,496 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:12:53,497 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 28
[2020-09-25 06:12:53,497 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:12:53,497 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:12:53,497 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:12:53,498 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:12:53,498 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 06:12:53,498 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:12:53,510 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266
[2020-09-25 06:12:53,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:12:53,517 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:12:53,548 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:12:53,549 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 06:12:53,549 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:12:53,549 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 34
[2020-09-25 06:12:53,550 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:12:53,550 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:12:53,551 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:12:53,551 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:12:53,551 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 06:12:53,552 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:12:53,559 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:12:53,560 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:12:53,565 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:12:53,577 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:12:53,578 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:12:53,578 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:12:53,579 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 17
[2020-09-25 06:12:53,579 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:12:53,580 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:12:53,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:12:53,581 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:12:53,581 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:12:53,581 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 06:12:53,782 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 06:12:53,783 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199426314]
[2020-09-25 06:12:53,785 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:12:53,785 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 06:12:53,786 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201921843]
[2020-09-25 06:12:53,795 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 06:12:53,795 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:12:53,813 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 06:12:53,814 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 06:12:53,817 INFO  L87              Difference]: Start difference. First operand 934 states. Second operand 5 states.
[2020-09-25 06:12:54,984 WARN  L193               SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 171
[2020-09-25 06:12:57,048 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:12:57,049 INFO  L93              Difference]: Finished difference Result 1280 states and 1446 transitions.
[2020-09-25 06:12:57,051 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 06:12:57,052 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 278
[2020-09-25 06:12:57,054 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:12:57,080 INFO  L225             Difference]: With dead ends: 1280
[2020-09-25 06:12:57,080 INFO  L226             Difference]: Without dead ends: 778
[2020-09-25 06:12:57,089 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 06:12:57,113 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 778 states.
[2020-09-25 06:12:57,275 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 735.
[2020-09-25 06:12:57,276 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 735 states.
[2020-09-25 06:12:57,281 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 793 transitions.
[2020-09-25 06:12:57,285 INFO  L78                 Accepts]: Start accepts. Automaton has 735 states and 793 transitions. Word has length 278
[2020-09-25 06:12:57,293 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:12:57,293 INFO  L479      AbstractCegarLoop]: Abstraction has 735 states and 793 transitions.
[2020-09-25 06:12:57,294 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 06:12:57,294 INFO  L276                IsEmpty]: Start isEmpty. Operand 735 states and 793 transitions.
[2020-09-25 06:12:57,314 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 280
[2020-09-25 06:12:57,314 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:12:57,315 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:12:57,315 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 06:12:57,315 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:12:57,316 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:12:57,316 INFO  L82        PathProgramCache]: Analyzing trace with hash 758943000, now seen corresponding path program 1 times
[2020-09-25 06:12:57,317 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:12:57,317 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453678808]
[2020-09-25 06:12:57,317 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:12:57,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:12:57,541 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:12:57,980 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:12:58,589 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:12:58,590 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 296
[2020-09-25 06:12:58,590 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 06:12:58,590 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1140
[2020-09-25 06:12:58,590 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:12:58,591 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:12:58,591 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:12:58,591 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 251
[2020-09-25 06:12:58,591 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 41
[2020-09-25 06:12:58,591 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:12:58,892 WARN  L193               SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 169
[2020-09-25 06:12:58,893 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:12:58,905 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:12:58,926 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:12:59,126 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:12:59,126 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 239
[2020-09-25 06:12:59,127 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:12:59,127 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 219
[2020-09-25 06:12:59,127 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:12:59,128 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:12:59,128 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:12:59,128 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:12:59,129 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:12:59,129 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:12:59,273 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240
[2020-09-25 06:12:59,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:12:59,281 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:12:59,307 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:12:59,308 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 06:12:59,308 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:12:59,308 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 30
[2020-09-25 06:12:59,308 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:12:59,309 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:12:59,309 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:12:59,309 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:12:59,309 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 06:12:59,309 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:12:59,320 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266
[2020-09-25 06:12:59,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:12:59,327 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:12:59,352 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:12:59,352 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 06:12:59,352 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:12:59,352 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 29
[2020-09-25 06:12:59,353 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:12:59,353 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:12:59,353 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:12:59,353 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:12:59,353 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 06:12:59,354 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:12:59,359 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:12:59,360 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:12:59,363 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:12:59,369 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:12:59,369 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:12:59,370 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:12:59,370 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 06:12:59,370 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:12:59,370 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:12:59,371 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:12:59,371 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:12:59,371 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:12:59,371 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:12:59,494 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 06:12:59,494 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453678808]
[2020-09-25 06:12:59,495 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:12:59,495 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 06:12:59,495 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594972892]
[2020-09-25 06:12:59,497 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 06:12:59,498 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:12:59,498 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 06:12:59,498 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 06:12:59,499 INFO  L87              Difference]: Start difference. First operand 735 states and 793 transitions. Second operand 5 states.
[2020-09-25 06:13:00,603 WARN  L193               SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 171
[2020-09-25 06:13:02,453 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:13:02,454 INFO  L93              Difference]: Finished difference Result 780 states and 845 transitions.
[2020-09-25 06:13:02,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 06:13:02,454 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 279
[2020-09-25 06:13:02,455 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:13:02,462 INFO  L225             Difference]: With dead ends: 780
[2020-09-25 06:13:02,462 INFO  L226             Difference]: Without dead ends: 777
[2020-09-25 06:13:02,464 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 06:13:02,466 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 777 states.
[2020-09-25 06:13:02,552 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 734.
[2020-09-25 06:13:02,553 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 734 states.
[2020-09-25 06:13:02,565 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 791 transitions.
[2020-09-25 06:13:02,566 INFO  L78                 Accepts]: Start accepts. Automaton has 734 states and 791 transitions. Word has length 279
[2020-09-25 06:13:02,567 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:13:02,567 INFO  L479      AbstractCegarLoop]: Abstraction has 734 states and 791 transitions.
[2020-09-25 06:13:02,567 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 06:13:02,568 INFO  L276                IsEmpty]: Start isEmpty. Operand 734 states and 791 transitions.
[2020-09-25 06:13:02,574 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 281
[2020-09-25 06:13:02,574 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:13:02,574 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:13:02,575 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 06:13:02,575 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:13:02,575 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:13:02,575 INFO  L82        PathProgramCache]: Analyzing trace with hash 2052101473, now seen corresponding path program 1 times
[2020-09-25 06:13:02,576 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:13:02,576 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665830651]
[2020-09-25 06:13:02,576 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:13:02,684 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:02,799 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:03,157 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:03,833 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:03,834 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 297
[2020-09-25 06:13:03,834 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 06:13:03,835 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1133
[2020-09-25 06:13:03,835 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:03,835 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:03,836 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:13:03,836 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 252
[2020-09-25 06:13:03,837 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 41
[2020-09-25 06:13:03,837 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:04,290 WARN  L193               SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 169
[2020-09-25 06:13:04,292 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:13:04,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:04,329 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:04,568 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:04,568 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 239
[2020-09-25 06:13:04,568 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:04,568 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 262
[2020-09-25 06:13:04,569 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:04,569 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:04,569 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:04,569 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:04,569 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:04,570 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:13:04,708 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240
[2020-09-25 06:13:04,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:04,715 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:04,737 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:04,738 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 06:13:04,738 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:04,738 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 26
[2020-09-25 06:13:04,739 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:04,739 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:04,739 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:13:04,739 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:04,739 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 06:13:04,740 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:04,749 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266
[2020-09-25 06:13:04,750 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:04,755 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:04,773 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:04,774 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 06:13:04,774 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:04,774 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 22
[2020-09-25 06:13:04,774 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:04,775 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:04,775 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:13:04,775 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:04,775 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 06:13:04,775 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:13:04,780 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:13:04,781 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:04,784 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:04,792 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:04,793 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:13:04,793 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:04,793 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 06:13:04,793 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:04,794 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:04,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:04,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:04,794 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:04,795 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:04,871 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 06:13:04,871 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665830651]
[2020-09-25 06:13:04,872 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:13:04,872 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 06:13:04,872 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391558146]
[2020-09-25 06:13:04,873 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 06:13:04,873 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:13:04,874 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 06:13:04,874 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 06:13:04,874 INFO  L87              Difference]: Start difference. First operand 734 states and 791 transitions. Second operand 5 states.
[2020-09-25 06:13:06,212 WARN  L193               SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 171
[2020-09-25 06:13:08,379 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:13:08,379 INFO  L93              Difference]: Finished difference Result 781 states and 844 transitions.
[2020-09-25 06:13:08,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 06:13:08,380 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 280
[2020-09-25 06:13:08,380 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:13:08,386 INFO  L225             Difference]: With dead ends: 781
[2020-09-25 06:13:08,386 INFO  L226             Difference]: Without dead ends: 777
[2020-09-25 06:13:08,387 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 06:13:08,388 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 777 states.
[2020-09-25 06:13:08,428 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 732.
[2020-09-25 06:13:08,429 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 732 states.
[2020-09-25 06:13:08,432 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 787 transitions.
[2020-09-25 06:13:08,433 INFO  L78                 Accepts]: Start accepts. Automaton has 732 states and 787 transitions. Word has length 280
[2020-09-25 06:13:08,433 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:13:08,434 INFO  L479      AbstractCegarLoop]: Abstraction has 732 states and 787 transitions.
[2020-09-25 06:13:08,434 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 06:13:08,434 INFO  L276                IsEmpty]: Start isEmpty. Operand 732 states and 787 transitions.
[2020-09-25 06:13:08,438 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 282
[2020-09-25 06:13:08,438 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:13:08,439 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:13:08,439 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 06:13:08,439 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:13:08,439 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:13:08,440 INFO  L82        PathProgramCache]: Analyzing trace with hash -809653957, now seen corresponding path program 1 times
[2020-09-25 06:13:08,440 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:13:08,440 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1699353807]
[2020-09-25 06:13:08,440 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:13:08,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:08,599 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:08,956 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:09,641 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:09,641 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 298
[2020-09-25 06:13:09,642 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 06:13:09,642 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1117
[2020-09-25 06:13:09,642 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:09,642 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:09,642 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:13:09,643 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 253
[2020-09-25 06:13:09,643 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 41
[2020-09-25 06:13:09,643 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:09,938 WARN  L193               SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 169
[2020-09-25 06:13:09,938 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:13:09,950 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:09,970 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:10,153 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:10,154 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 239
[2020-09-25 06:13:10,154 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:10,154 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 202
[2020-09-25 06:13:10,154 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:10,155 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:10,155 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:10,155 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:10,155 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:10,155 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:10,267 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240
[2020-09-25 06:13:10,269 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:10,274 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:10,292 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:10,292 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 06:13:10,292 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:10,293 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 22
[2020-09-25 06:13:10,293 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:10,293 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:10,293 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:13:10,293 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:10,294 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 06:13:10,294 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:10,303 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266
[2020-09-25 06:13:10,306 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:10,310 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:10,328 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:10,328 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 06:13:10,328 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:10,328 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 21
[2020-09-25 06:13:10,329 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:10,329 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:10,329 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:13:10,329 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:10,329 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 06:13:10,330 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:13:10,334 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:13:10,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:10,339 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:10,345 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:10,345 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:13:10,345 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:10,346 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 06:13:10,346 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:10,346 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:10,346 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:10,347 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:10,347 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:10,347 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:10,437 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 06:13:10,437 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1699353807]
[2020-09-25 06:13:10,438 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:13:10,438 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 06:13:10,438 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670376746]
[2020-09-25 06:13:10,439 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 06:13:10,439 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:13:10,439 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 06:13:10,440 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 06:13:10,440 INFO  L87              Difference]: Start difference. First operand 732 states and 787 transitions. Second operand 5 states.
[2020-09-25 06:13:11,589 WARN  L193               SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 171
[2020-09-25 06:13:13,590 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:13:13,590 INFO  L93              Difference]: Finished difference Result 777 states and 839 transitions.
[2020-09-25 06:13:13,591 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 06:13:13,591 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 281
[2020-09-25 06:13:13,592 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:13:13,596 INFO  L225             Difference]: With dead ends: 777
[2020-09-25 06:13:13,597 INFO  L226             Difference]: Without dead ends: 760
[2020-09-25 06:13:13,599 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 06:13:13,600 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 760 states.
[2020-09-25 06:13:13,640 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 717.
[2020-09-25 06:13:13,640 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 717 states.
[2020-09-25 06:13:13,644 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 770 transitions.
[2020-09-25 06:13:13,644 INFO  L78                 Accepts]: Start accepts. Automaton has 717 states and 770 transitions. Word has length 281
[2020-09-25 06:13:13,645 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:13:13,645 INFO  L479      AbstractCegarLoop]: Abstraction has 717 states and 770 transitions.
[2020-09-25 06:13:13,645 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 06:13:13,645 INFO  L276                IsEmpty]: Start isEmpty. Operand 717 states and 770 transitions.
[2020-09-25 06:13:13,656 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 330
[2020-09-25 06:13:13,656 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:13:13,657 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:13:13,657 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 06:13:13,657 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:13:13,658 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:13:13,658 INFO  L82        PathProgramCache]: Analyzing trace with hash -1704679464, now seen corresponding path program 1 times
[2020-09-25 06:13:13,658 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:13:13,658 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867672694]
[2020-09-25 06:13:13,659 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:13:13,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:13,879 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:14,161 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:14,534 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:16,618 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:16,618 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 358
[2020-09-25 06:13:16,618 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 06:13:16,618 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2833
[2020-09-25 06:13:16,619 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:16,619 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:16,619 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:13:16,619 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 259
[2020-09-25 06:13:16,620 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 24
[2020-09-25 06:13:16,620 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:16,902 WARN  L193               SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 169
[2020-09-25 06:13:16,903 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:13:16,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:16,939 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:17,119 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:17,119 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 239
[2020-09-25 06:13:17,119 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:17,120 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 202
[2020-09-25 06:13:17,120 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:17,120 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:17,120 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:17,120 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:17,121 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:17,121 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:17,221 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240
[2020-09-25 06:13:17,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:17,226 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:17,239 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:17,239 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 06:13:17,239 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:17,240 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 16
[2020-09-25 06:13:17,240 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:17,240 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:17,241 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:17,242 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:17,242 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:17,242 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 06:13:17,259 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279
[2020-09-25 06:13:17,262 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:17,269 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:17,286 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:17,286 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 20
[2020-09-25 06:13:17,286 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:17,287 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 23
[2020-09-25 06:13:17,287 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:17,287 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:17,287 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:17,288 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 17
[2020-09-25 06:13:17,288 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:17,288 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:17,295 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 06:13:17,296 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:17,299 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:17,312 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:17,313 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 06:13:17,313 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:17,313 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 16
[2020-09-25 06:13:17,313 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:17,314 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:17,314 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:17,314 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:17,315 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:17,315 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:17,331 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2020-09-25 06:13:17,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:17,338 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:17,354 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:17,354 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 23
[2020-09-25 06:13:17,355 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:17,355 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 20
[2020-09-25 06:13:17,355 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:17,355 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:17,356 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:17,356 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 06:13:17,356 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:17,356 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:17,363 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 06:13:17,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:17,368 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:17,373 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:17,374 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:13:17,374 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:17,374 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 06:13:17,374 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:17,375 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:17,375 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:17,375 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:17,375 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:17,375 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:17,382 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2020-09-25 06:13:17,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:17,386 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:17,395 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:17,395 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:13:17,395 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:17,395 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 06:13:17,396 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:17,396 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:17,396 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:17,396 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:17,396 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:17,397 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:17,402 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310
[2020-09-25 06:13:17,403 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:17,408 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:17,423 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:17,424 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 06:13:17,424 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:17,424 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 19
[2020-09-25 06:13:17,424 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:17,425 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:17,425 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:17,425 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 9
[2020-09-25 06:13:17,425 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:17,425 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:17,525 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 06:13:17,525 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [867672694]
[2020-09-25 06:13:17,525 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:13:17,526 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 06:13:17,526 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796082103]
[2020-09-25 06:13:17,529 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 06:13:17,530 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:13:17,530 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 06:13:17,532 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-09-25 06:13:17,532 INFO  L87              Difference]: Start difference. First operand 717 states and 770 transitions. Second operand 7 states.
[2020-09-25 06:13:18,569 WARN  L193               SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 171
[2020-09-25 06:13:22,650 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:13:22,650 INFO  L93              Difference]: Finished difference Result 1812 states and 2058 transitions.
[2020-09-25 06:13:22,654 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-09-25 06:13:22,654 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 329
[2020-09-25 06:13:22,655 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:13:22,663 INFO  L225             Difference]: With dead ends: 1812
[2020-09-25 06:13:22,663 INFO  L226             Difference]: Without dead ends: 1347
[2020-09-25 06:13:22,665 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156
[2020-09-25 06:13:22,668 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1347 states.
[2020-09-25 06:13:22,738 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1049.
[2020-09-25 06:13:22,738 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1049 states.
[2020-09-25 06:13:22,742 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1142 transitions.
[2020-09-25 06:13:22,743 INFO  L78                 Accepts]: Start accepts. Automaton has 1049 states and 1142 transitions. Word has length 329
[2020-09-25 06:13:22,744 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:13:22,744 INFO  L479      AbstractCegarLoop]: Abstraction has 1049 states and 1142 transitions.
[2020-09-25 06:13:22,744 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 06:13:22,744 INFO  L276                IsEmpty]: Start isEmpty. Operand 1049 states and 1142 transitions.
[2020-09-25 06:13:22,750 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 371
[2020-09-25 06:13:22,751 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 06:13:22,751 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:13:22,751 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 06:13:22,752 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:13:22,752 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:13:22,752 INFO  L82        PathProgramCache]: Analyzing trace with hash -80114865, now seen corresponding path program 1 times
[2020-09-25 06:13:22,752 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:13:22,753 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917310603]
[2020-09-25 06:13:22,753 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:13:22,844 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:22,951 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:24,450 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:24,451 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 403
[2020-09-25 06:13:24,451 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:24,451 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1596
[2020-09-25 06:13:24,452 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:24,452 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:24,452 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 06:13:24,452 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 364
[2020-09-25 06:13:24,453 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 35
[2020-09-25 06:13:24,453 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:24,745 WARN  L193               SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 169
[2020-09-25 06:13:24,746 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:13:24,757 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:24,777 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:24,962 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:24,962 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 239
[2020-09-25 06:13:24,963 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:24,963 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 203
[2020-09-25 06:13:24,963 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:24,963 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:24,964 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:24,964 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:24,964 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:24,965 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:25,104 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240
[2020-09-25 06:13:25,105 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:25,110 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:25,124 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:25,124 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 06:13:25,125 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:25,125 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 18
[2020-09-25 06:13:25,125 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:25,125 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:25,126 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:25,126 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:25,126 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:25,127 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:25,134 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268
[2020-09-25 06:13:25,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:25,141 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:25,158 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:25,158 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 23
[2020-09-25 06:13:25,158 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:25,159 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 22
[2020-09-25 06:13:25,159 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:25,159 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:25,160 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:25,160 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:25,160 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:25,161 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:25,169 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 06:13:25,170 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:25,174 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:25,186 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:25,187 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 13
[2020-09-25 06:13:25,187 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:25,188 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 15
[2020-09-25 06:13:25,188 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:25,188 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:25,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:25,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:25,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:25,189 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:25,211 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320
[2020-09-25 06:13:25,212 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:25,216 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:25,231 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:25,231 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 20
[2020-09-25 06:13:25,231 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:25,231 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 18
[2020-09-25 06:13:25,232 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:25,232 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:25,232 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:25,232 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:25,233 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:25,233 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:25,240 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 06:13:25,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:25,245 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:25,259 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:25,259 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 06:13:25,259 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:25,259 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 17
[2020-09-25 06:13:25,260 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:25,260 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:25,260 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:13:25,260 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:25,261 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:13:25,261 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:25,283 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336
[2020-09-25 06:13:25,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:25,292 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:25,320 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:25,320 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 23
[2020-09-25 06:13:25,320 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:25,321 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 32
[2020-09-25 06:13:25,321 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:25,321 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:25,321 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:13:25,321 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:25,322 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 06:13:25,322 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:25,331 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 06:13:25,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:25,337 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:25,352 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:25,353 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:13:25,353 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:25,353 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 19
[2020-09-25 06:13:25,353 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:25,354 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:25,354 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:13:25,354 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:25,354 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 06:13:25,354 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:13:25,362 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2020-09-25 06:13:25,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:25,368 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:25,378 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:25,378 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:13:25,379 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:25,379 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 06:13:25,379 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:25,379 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:25,380 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:13:25,380 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:25,380 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 06:13:25,380 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:25,386 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351
[2020-09-25 06:13:25,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:13:25,393 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:13:25,413 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:13:25,413 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 06:13:25,413 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:13:25,413 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 23
[2020-09-25 06:13:25,414 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:13:25,414 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 06:13:25,414 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:13:25,414 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:13:25,414 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 06:13:25,415 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:13:25,592 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2020-09-25 06:13:25,592 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917310603]
[2020-09-25 06:13:25,592 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:13:25,592 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 06:13:25,593 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238204815]
[2020-09-25 06:13:25,594 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 06:13:25,594 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:13:25,594 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 06:13:25,594 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-09-25 06:13:25,595 INFO  L87              Difference]: Start difference. First operand 1049 states and 1142 transitions. Second operand 7 states.
[2020-09-25 06:13:27,567 WARN  L193               SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 171
[2020-09-25 06:13:28,403 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:13:28,403 INFO  L93              Difference]: Finished difference Result 1341 states and 1526 transitions.
[2020-09-25 06:13:28,405 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 06:13:28,405 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 370
[2020-09-25 06:13:28,406 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:13:28,406 INFO  L225             Difference]: With dead ends: 1341
[2020-09-25 06:13:28,406 INFO  L226             Difference]: Without dead ends: 0
[2020-09-25 06:13:28,409 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110
[2020-09-25 06:13:28,409 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 06:13:28,410 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 06:13:28,410 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 06:13:28,410 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 06:13:28,410 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 370
[2020-09-25 06:13:28,410 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:13:28,411 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 06:13:28,411 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 06:13:28,411 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 06:13:28,411 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 06:13:28,411 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 06:13:28,413 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 06:13:28,593 WARN  L193               SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:28,753 WARN  L193               SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 176
[2020-09-25 06:13:28,912 WARN  L193               SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 176
[2020-09-25 06:13:29,061 WARN  L193               SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:29,222 WARN  L193               SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 176
[2020-09-25 06:13:29,371 WARN  L193               SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:29,621 WARN  L193               SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 176
[2020-09-25 06:13:29,766 WARN  L193               SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:29,920 WARN  L193               SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 176
[2020-09-25 06:13:30,073 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:30,224 WARN  L193               SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:30,374 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 176
[2020-09-25 06:13:30,513 WARN  L193               SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:30,684 WARN  L193               SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:30,825 WARN  L193               SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:30,972 WARN  L193               SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 175
[2020-09-25 06:13:31,110 WARN  L193               SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 175
[2020-09-25 06:13:31,277 WARN  L193               SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:31,430 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:31,804 WARN  L193               SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 23
[2020-09-25 06:13:32,127 WARN  L193               SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 23
[2020-09-25 06:13:32,263 WARN  L193               SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:32,401 WARN  L193               SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:32,582 WARN  L193               SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:32,721 WARN  L193               SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 176
[2020-09-25 06:13:32,858 WARN  L193               SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:32,994 WARN  L193               SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:33,133 WARN  L193               SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 176
[2020-09-25 06:13:33,268 WARN  L193               SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175
[2020-09-25 06:13:33,403 WARN  L193               SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175
[2020-09-25 06:13:33,543 WARN  L193               SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 176
[2020-09-25 06:13:33,683 WARN  L193               SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 06:13:33,805 WARN  L193               SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 171
[2020-09-25 06:13:34,126 WARN  L193               SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 23
[2020-09-25 06:13:34,435 WARN  L193               SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 26
[2020-09-25 06:13:34,756 WARN  L193               SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 23
[2020-09-25 06:13:35,063 WARN  L193               SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 26