/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=0.6 --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 07:21:45,533 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 07:21:45,537 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 07:21:45,564 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 07:21:45,564 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 07:21:45,565 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 07:21:45,567 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 07:21:45,569 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 07:21:45,571 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 07:21:45,572 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 07:21:45,573 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 07:21:45,574 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 07:21:45,574 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 07:21:45,575 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 07:21:45,577 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 07:21:45,578 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 07:21:45,580 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 07:21:45,582 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 07:21:45,583 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 07:21:45,585 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 07:21:45,587 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 07:21:45,588 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 07:21:45,589 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 07:21:45,590 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 07:21:45,593 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 07:21:45,593 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 07:21:45,593 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 07:21:45,594 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 07:21:45,595 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 07:21:45,596 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 07:21:45,596 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 07:21:45,597 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 07:21:45,598 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 07:21:45,599 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 07:21:45,600 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 07:21:45,600 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 07:21:45,601 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-09-25 07:21:45,602 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 07:21:45,603 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 07:21:45,604 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 07:21:45,604 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 07:21:45,630 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 07:21:45,630 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 07:21:45,631 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 07:21:45,631 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 07:21:45,632 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 07:21:45,632 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 07:21:45,632 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 07:21:45,632 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 07:21:45,633 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 07:21:45,633 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 07:21:45,633 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 07:21:45,633 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 07:21:45,633 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 07:21:45,634 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 07:21:45,634 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 07:21:45,634 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 07:21:45,634 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 07:21:45,634 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 07:21:45,635 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 07:21:45,635 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 07:21:45,635 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 07:21:45,635 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 07:21:45,635 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 07:21:45,636 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 07:21:45,636 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 07:21:45,636 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 07:21:45,636 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2020-09-25 07:21:45,637 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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;log-additional-information=true;
[2020-09-25 07:21:46,131 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 07:21:46,148 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 07:21:46,153 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 07:21:46,154 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 07:21:46,155 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 07:21:46,156 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i
[2020-09-25 07:21:46,237 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fea9bcad5/584097d3de5147c9ba78c5a1a88cd373/FLAG5af066c2b
[2020-09-25 07:21:47,020 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 07:21:47,021 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i
[2020-09-25 07:21:47,046 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fea9bcad5/584097d3de5147c9ba78c5a1a88cd373/FLAG5af066c2b
[2020-09-25 07:21:47,109 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fea9bcad5/584097d3de5147c9ba78c5a1a88cd373
[2020-09-25 07:21:47,122 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 07:21:47,128 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 07:21:47,129 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 07:21:47,129 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 07:21:47,133 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 07:21:47,134 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:21:47" (1/1) ...
[2020-09-25 07:21:47,138 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156d188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:47, skipping insertion in model container
[2020-09-25 07:21:47,139 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:21:47" (1/1) ...
[2020-09-25 07:21:47,148 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 07:21:47,236 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 07:21:48,070 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 07:21:48,095 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 07:21:48,223 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 07:21:48,329 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 07:21:48,330 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48 WrapperNode
[2020-09-25 07:21:48,330 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 07:21:48,331 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 07:21:48,331 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 07:21:48,331 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 07:21:48,348 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (1/1) ...
[2020-09-25 07:21:48,348 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (1/1) ...
[2020-09-25 07:21:48,403 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (1/1) ...
[2020-09-25 07:21:48,407 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (1/1) ...
[2020-09-25 07:21:48,480 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (1/1) ...
[2020-09-25 07:21:48,487 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (1/1) ...
[2020-09-25 07:21:48,495 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (1/1) ...
[2020-09-25 07:21:48,509 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 07:21:48,510 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 07:21:48,510 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 07:21:48,510 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 07:21:48,511 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (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 07:21:48,604 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 07:21:48,605 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 07:21:48,605 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0
[2020-09-25 07:21:48,605 INFO  L138     BoogieDeclarations]: Found implementation of procedure PTR_ERR
[2020-09-25 07:21:48,605 INFO  L138     BoogieDeclarations]: Found implementation of procedure IS_ERR
[2020-09-25 07:21:48,605 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata
[2020-09-25 07:21:48,606 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata
[2020-09-25 07:21:48,606 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_get_functionality
[2020-09-25 07:21:48,607 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_check_functionality
[2020-09-25 07:21:48,607 INFO  L138     BoogieDeclarations]: Found implementation of procedure isl6271a_get_voltage_sel
[2020-09-25 07:21:48,608 INFO  L138     BoogieDeclarations]: Found implementation of procedure isl6271a_set_voltage_sel
[2020-09-25 07:21:48,608 INFO  L138     BoogieDeclarations]: Found implementation of procedure isl6271a_probe
[2020-09-25 07:21:48,608 INFO  L138     BoogieDeclarations]: Found implementation of procedure isl6271a_remove
[2020-09-25 07:21:48,608 INFO  L138     BoogieDeclarations]: Found implementation of procedure isl6271a_init
[2020-09-25 07:21:48,609 INFO  L138     BoogieDeclarations]: Found implementation of procedure isl6271a_cleanup
[2020-09-25 07:21:48,609 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 07:21:48,609 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1
[2020-09-25 07:21:48,610 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2
[2020-09-25 07:21:48,611 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3
[2020-09-25 07:21:48,611 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4
[2020-09-25 07:21:48,611 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5
[2020-09-25 07:21:48,612 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6
[2020-09-25 07:21:48,612 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7
[2020-09-25 07:21:48,612 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8
[2020-09-25 07:21:48,612 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9
[2020-09-25 07:21:48,613 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10
[2020-09-25 07:21:48,613 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11
[2020-09-25 07:21:48,614 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2020-09-25 07:21:48,614 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2020-09-25 07:21:48,614 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap
[2020-09-25 07:21:48,614 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct
[2020-09-25 07:21:48,614 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct
[2020-09-25 07:21:48,615 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct
[2020-09-25 07:21:48,615 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct
[2020-09-25 07:21:48,615 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct
[2020-09-25 07:21:48,615 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct
[2020-09-25 07:21:48,615 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct
[2020-09-25 07:21:48,616 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock
[2020-09-25 07:21:48,616 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock
[2020-09-25 07:21:48,616 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock
[2020-09-25 07:21:48,616 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock
[2020-09-25 07:21:48,617 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock
[2020-09-25 07:21:48,617 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock
[2020-09-25 07:21:48,617 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock
[2020-09-25 07:21:48,617 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic
[2020-09-25 07:21:48,617 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic
[2020-09-25 07:21:48,618 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic
[2020-09-25 07:21:48,618 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx_of_isl_pmic
[2020-09-25 07:21:48,618 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic
[2020-09-25 07:21:48,618 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx_of_isl_pmic
[2020-09-25 07:21:48,619 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic
[2020-09-25 07:21:48,619 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device
[2020-09-25 07:21:48,619 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device
[2020-09-25 07:21:48,619 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device
[2020-09-25 07:21:48,620 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device
[2020-09-25 07:21:48,620 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device
[2020-09-25 07:21:48,620 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device
[2020-09-25 07:21:48,621 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device
[2020-09-25 07:21:48,621 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2020-09-25 07:21:48,621 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2020-09-25 07:21:48,621 INFO  L138     BoogieDeclarations]: Found implementation of procedure __mutex_init
[2020-09-25 07:21:48,621 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_err
[2020-09-25 07:21:48,622 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-25 07:21:48,622 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2020-09-25 07:21:48,622 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_get_drvdata
[2020-09-25 07:21:48,622 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_set_drvdata
[2020-09-25 07:21:48,623 INFO  L138     BoogieDeclarations]: Found implementation of procedure devm_kzalloc
[2020-09-25 07:21:48,623 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_del_driver
[2020-09-25 07:21:48,623 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_register_driver
[2020-09-25 07:21:48,623 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte
[2020-09-25 07:21:48,624 INFO  L138     BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte
[2020-09-25 07:21:48,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_lock
[2020-09-25 07:21:48,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_trylock
[2020-09-25 07:21:48,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure mutex_unlock
[2020-09-25 07:21:48,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata
[2020-09-25 07:21:48,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear
[2020-09-25 07:21:48,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure regulator_map_voltage_linear
[2020-09-25 07:21:48,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure regulator_register
[2020-09-25 07:21:48,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure regulator_unregister
[2020-09-25 07:21:48,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2020-09-25 07:21:48,628 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 07:21:48,628 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2020-09-25 07:21:48,629 INFO  L130     BoogieDeclarations]: Found specification of procedure PTR_ERR
[2020-09-25 07:21:48,629 INFO  L130     BoogieDeclarations]: Found specification of procedure IS_ERR
[2020-09-25 07:21:48,629 INFO  L130     BoogieDeclarations]: Found specification of procedure __mutex_init
[2020-09-25 07:21:48,630 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_trylock
[2020-09-25 07:21:48,630 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4
[2020-09-25 07:21:48,630 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_unlock
[2020-09-25 07:21:48,630 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2
[2020-09-25 07:21:48,630 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5
[2020-09-25 07:21:48,631 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7
[2020-09-25 07:21:48,631 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9
[2020-09-25 07:21:48,631 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11
[2020-09-25 07:21:48,631 INFO  L130     BoogieDeclarations]: Found specification of procedure mutex_lock
[2020-09-25 07:21:48,631 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1
[2020-09-25 07:21:48,632 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3
[2020-09-25 07:21:48,632 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6
[2020-09-25 07:21:48,632 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8
[2020-09-25 07:21:48,632 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10
[2020-09-25 07:21:48,632 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct
[2020-09-25 07:21:48,632 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct
[2020-09-25 07:21:48,633 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock
[2020-09-25 07:21:48,633 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock
[2020-09-25 07:21:48,633 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic
[2020-09-25 07:21:48,633 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic
[2020-09-25 07:21:48,633 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device
[2020-09-25 07:21:48,634 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device
[2020-09-25 07:21:48,634 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device
[2020-09-25 07:21:48,634 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 07:21:48,634 INFO  L130     BoogieDeclarations]: Found specification of procedure devm_kzalloc
[2020-09-25 07:21:48,634 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_get_drvdata
[2020-09-25 07:21:48,634 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_set_drvdata
[2020-09-25 07:21:48,635 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_err
[2020-09-25 07:21:48,635 INFO  L130     BoogieDeclarations]: Found specification of procedure regulator_register
[2020-09-25 07:21:48,635 INFO  L130     BoogieDeclarations]: Found specification of procedure regulator_unregister
[2020-09-25 07:21:48,635 INFO  L130     BoogieDeclarations]: Found specification of procedure rdev_get_drvdata
[2020-09-25 07:21:48,635 INFO  L130     BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear
[2020-09-25 07:21:48,635 INFO  L130     BoogieDeclarations]: Found specification of procedure regulator_map_voltage_linear
[2020-09-25 07:21:48,636 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte
[2020-09-25 07:21:48,636 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte
[2020-09-25 07:21:48,637 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_get_clientdata
[2020-09-25 07:21:48,637 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_set_clientdata
[2020-09-25 07:21:48,637 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_register_driver
[2020-09-25 07:21:48,638 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_del_driver
[2020-09-25 07:21:48,638 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_get_functionality
[2020-09-25 07:21:48,639 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0
[2020-09-25 07:21:48,639 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 07:21:48,639 INFO  L130     BoogieDeclarations]: Found specification of procedure i2c_check_functionality
[2020-09-25 07:21:48,640 INFO  L130     BoogieDeclarations]: Found specification of procedure isl6271a_get_voltage_sel
[2020-09-25 07:21:48,643 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 07:21:48,643 INFO  L130     BoogieDeclarations]: Found specification of procedure isl6271a_set_voltage_sel
[2020-09-25 07:21:48,643 INFO  L130     BoogieDeclarations]: Found specification of procedure isl6271a_probe
[2020-09-25 07:21:48,644 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 07:21:48,644 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 07:21:48,644 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 07:21:48,644 INFO  L130     BoogieDeclarations]: Found specification of procedure isl6271a_remove
[2020-09-25 07:21:48,645 INFO  L130     BoogieDeclarations]: Found specification of procedure isl6271a_init
[2020-09-25 07:21:48,646 INFO  L130     BoogieDeclarations]: Found specification of procedure isl6271a_cleanup
[2020-09-25 07:21:48,646 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2020-09-25 07:21:48,646 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2020-09-25 07:21:48,646 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 07:21:48,646 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2020-09-25 07:21:48,646 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_trap
[2020-09-25 07:21:48,647 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct
[2020-09-25 07:21:48,647 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct
[2020-09-25 07:21:48,654 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct
[2020-09-25 07:21:48,654 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct
[2020-09-25 07:21:48,654 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct
[2020-09-25 07:21:48,655 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock
[2020-09-25 07:21:48,655 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock
[2020-09-25 07:21:48,655 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock
[2020-09-25 07:21:48,655 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock
[2020-09-25 07:21:48,655 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock
[2020-09-25 07:21:48,655 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic
[2020-09-25 07:21:48,655 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic
[2020-09-25 07:21:48,656 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx_of_isl_pmic
[2020-09-25 07:21:48,656 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic
[2020-09-25 07:21:48,656 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx_of_isl_pmic
[2020-09-25 07:21:48,657 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device
[2020-09-25 07:21:48,657 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device
[2020-09-25 07:21:48,657 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device
[2020-09-25 07:21:48,657 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device
[2020-09-25 07:21:48,657 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2020-09-25 07:21:48,658 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 07:21:48,658 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 07:21:48,658 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-25 07:21:48,658 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2020-09-25 07:21:48,658 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 07:21:48,658 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 07:21:48,658 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2020-09-25 07:21:48,658 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 07:21:48,659 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 07:21:48,659 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2020-09-25 07:21:48,659 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 07:21:48,659 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 07:21:50,803 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 07:21:50,803 INFO  L295             CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-25 07:21:50,815 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:21:50 BoogieIcfgContainer
[2020-09-25 07:21:50,816 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 07:21:50,817 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 07:21:50,817 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 07:21:50,824 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 07:21:50,824 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:21:47" (1/3) ...
[2020-09-25 07:21:50,825 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6352bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:21:50, skipping insertion in model container
[2020-09-25 07:21:50,825 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (2/3) ...
[2020-09-25 07:21:50,826 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6352bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:21:50, skipping insertion in model container
[2020-09-25 07:21:50,826 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:21:50" (3/3) ...
[2020-09-25 07:21:50,828 INFO  L109   eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i
[2020-09-25 07:21:50,841 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 07:21:50,857 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 07:21:50,883 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 07:21:50,925 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 07:21:50,925 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 07:21:50,925 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 07:21:50,925 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 07:21:50,926 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 07:21:50,926 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 07:21:50,926 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 07:21:50,926 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 07:21:50,988 INFO  L276                IsEmpty]: Start isEmpty. Operand 934 states.
[2020-09-25 07:21:51,027 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 279
[2020-09-25 07:21:51,027 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:21:51,029 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 07:21:51,029 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:21:51,036 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:21:51,037 INFO  L82        PathProgramCache]: Analyzing trace with hash -945339618, now seen corresponding path program 1 times
[2020-09-25 07:21:51,048 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:21:51,049 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440301017]
[2020-09-25 07:21:51,049 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:21:51,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:21:51,721 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:21:52,337 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:21:53,133 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:21:53,134 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 295
[2020-09-25 07:21:53,134 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 07:21:53,134 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1609
[2020-09-25 07:21:53,138 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:21:53,138 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:21:53,138 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:21:53,139 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 250
[2020-09-25 07:21:53,139 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 41
[2020-09-25 07:21:53,139 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 07:21:53,653 WARN  L193               SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 169
[2020-09-25 07:21:53,655 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:21:53,673 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:21:53,696 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:21:53,925 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:21:53,925 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 239
[2020-09-25 07:21:53,925 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:21:53,925 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 250
[2020-09-25 07:21:53,926 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:21:53,926 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:21:53,926 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:21:53,926 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:21:53,927 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:21:53,927 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:21:54,107 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240
[2020-09-25 07:21:54,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:21:54,116 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:21:54,142 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:21:54,143 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 07:21:54,143 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:21:54,143 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 31
[2020-09-25 07:21:54,144 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:21:54,144 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:21:54,144 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:21:54,144 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:21:54,145 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 07:21:54,145 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:21:54,156 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266
[2020-09-25 07:21:54,159 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:21:54,164 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:21:54,227 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:21:54,227 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 07:21:54,228 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:21:54,228 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 67
[2020-09-25 07:21:54,228 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:21:54,228 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:21:54,229 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:21:54,229 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:21:54,229 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 07:21:54,229 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:21:54,235 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:21:54,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:21:54,240 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:21:54,249 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:21:54,249 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:21:54,249 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:21:54,250 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 07:21:54,250 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:21:54,250 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:21:54,250 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:21:54,250 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:21:54,251 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:21:54,251 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:21:54,330 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 07:21:54,331 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440301017]
[2020-09-25 07:21:54,333 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:21:54,334 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 07:21:54,335 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962296769]
[2020-09-25 07:21:54,342 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 07:21:54,342 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:21:54,360 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 07:21:54,361 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 07:21:54,364 INFO  L87              Difference]: Start difference. First operand 934 states. Second operand 5 states.
[2020-09-25 07:21:55,916 WARN  L193               SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 171
[2020-09-25 07:21:58,423 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:21:58,424 INFO  L93              Difference]: Finished difference Result 1280 states and 1446 transitions.
[2020-09-25 07:21:58,425 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 07:21:58,427 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 278
[2020-09-25 07:21:58,429 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:21:58,455 INFO  L225             Difference]: With dead ends: 1280
[2020-09-25 07:21:58,455 INFO  L226             Difference]: Without dead ends: 778
[2020-09-25 07:21:58,464 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 07:21:58,485 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 778 states.
[2020-09-25 07:21:58,609 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 735.
[2020-09-25 07:21:58,611 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 735 states.
[2020-09-25 07:21:58,616 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 793 transitions.
[2020-09-25 07:21:58,618 INFO  L78                 Accepts]: Start accepts. Automaton has 735 states and 793 transitions. Word has length 278
[2020-09-25 07:21:58,620 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:21:58,620 INFO  L479      AbstractCegarLoop]: Abstraction has 735 states and 793 transitions.
[2020-09-25 07:21:58,620 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 07:21:58,620 INFO  L276                IsEmpty]: Start isEmpty. Operand 735 states and 793 transitions.
[2020-09-25 07:21:58,626 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 280
[2020-09-25 07:21:58,626 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:21:58,627 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 07:21:58,627 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 07:21:58,627 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:21:58,628 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:21:58,628 INFO  L82        PathProgramCache]: Analyzing trace with hash 758943000, now seen corresponding path program 1 times
[2020-09-25 07:21:58,628 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:21:58,629 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472826803]
[2020-09-25 07:21:58,629 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:21:58,736 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:21:58,848 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:21:59,227 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:21:59,871 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:21:59,871 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 296
[2020-09-25 07:21:59,871 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 07:21:59,871 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1123
[2020-09-25 07:21:59,872 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:21:59,872 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:21:59,872 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:21:59,872 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 251
[2020-09-25 07:21:59,873 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 41
[2020-09-25 07:21:59,873 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:00,304 WARN  L193               SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 169
[2020-09-25 07:22:00,306 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:22:00,326 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:00,422 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:00,665 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:00,666 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 239
[2020-09-25 07:22:00,666 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:00,666 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 337
[2020-09-25 07:22:00,667 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:00,667 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:00,668 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:00,668 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:00,668 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:00,669 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:00,866 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240
[2020-09-25 07:22:00,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:00,875 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:00,906 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:00,907 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 07:22:00,907 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:00,908 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 36
[2020-09-25 07:22:00,908 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:00,908 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:00,909 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:22:00,909 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:00,909 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 07:22:00,910 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:00,922 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266
[2020-09-25 07:22:00,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:00,930 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:00,959 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:00,960 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 07:22:00,960 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:00,961 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 34
[2020-09-25 07:22:00,961 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:00,961 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:00,962 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:22:00,962 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:00,963 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 07:22:00,963 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:00,973 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:22:00,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:00,979 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:00,987 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:00,988 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:22:00,988 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:00,988 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 07:22:00,989 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:00,989 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:00,990 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:00,990 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:00,991 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:00,991 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:22:01,110 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 07:22:01,111 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472826803]
[2020-09-25 07:22:01,111 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:22:01,111 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 07:22:01,111 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662129195]
[2020-09-25 07:22:01,114 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 07:22:01,114 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:22:01,115 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 07:22:01,115 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 07:22:01,115 INFO  L87              Difference]: Start difference. First operand 735 states and 793 transitions. Second operand 5 states.
[2020-09-25 07:22:02,443 WARN  L193               SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 171
[2020-09-25 07:22:04,746 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:22:04,747 INFO  L93              Difference]: Finished difference Result 780 states and 845 transitions.
[2020-09-25 07:22:04,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 07:22:04,747 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 279
[2020-09-25 07:22:04,749 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:22:04,756 INFO  L225             Difference]: With dead ends: 780
[2020-09-25 07:22:04,756 INFO  L226             Difference]: Without dead ends: 777
[2020-09-25 07:22:04,758 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 07:22:04,760 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 777 states.
[2020-09-25 07:22:04,820 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 734.
[2020-09-25 07:22:04,820 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 734 states.
[2020-09-25 07:22:04,824 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 791 transitions.
[2020-09-25 07:22:04,825 INFO  L78                 Accepts]: Start accepts. Automaton has 734 states and 791 transitions. Word has length 279
[2020-09-25 07:22:04,826 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:22:04,826 INFO  L479      AbstractCegarLoop]: Abstraction has 734 states and 791 transitions.
[2020-09-25 07:22:04,826 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 07:22:04,826 INFO  L276                IsEmpty]: Start isEmpty. Operand 734 states and 791 transitions.
[2020-09-25 07:22:04,830 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 281
[2020-09-25 07:22:04,831 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:22:04,831 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 07:22:04,831 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 07:22:04,832 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:22:04,832 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:22:04,832 INFO  L82        PathProgramCache]: Analyzing trace with hash 2052101473, now seen corresponding path program 1 times
[2020-09-25 07:22:04,832 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:22:04,833 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524522457]
[2020-09-25 07:22:04,833 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:22:04,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:05,014 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:05,382 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:06,000 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:06,000 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 297
[2020-09-25 07:22:06,001 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 07:22:06,001 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1068
[2020-09-25 07:22:06,001 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:06,001 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:06,002 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:22:06,002 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 252
[2020-09-25 07:22:06,002 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 41
[2020-09-25 07:22:06,002 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:06,597 WARN  L193               SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 169
[2020-09-25 07:22:06,600 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:22:06,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:06,657 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:06,930 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:06,930 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 239
[2020-09-25 07:22:06,931 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:06,931 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 307
[2020-09-25 07:22:06,931 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:06,932 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:06,932 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:06,932 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:06,933 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:06,933 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:07,126 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240
[2020-09-25 07:22:07,128 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:07,133 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:07,162 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:07,163 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 07:22:07,163 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:07,164 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 33
[2020-09-25 07:22:07,164 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:07,164 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:07,165 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:22:07,165 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:07,166 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:22:07,166 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:07,179 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266
[2020-09-25 07:22:07,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:07,187 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:07,214 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:07,215 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 07:22:07,215 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:07,215 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 31
[2020-09-25 07:22:07,216 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:07,216 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:07,217 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:22:07,217 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:07,217 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 07:22:07,218 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:07,225 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:22:07,226 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:07,230 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:07,244 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:07,244 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:22:07,245 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:07,245 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 17
[2020-09-25 07:22:07,246 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:07,246 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:07,246 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:07,246 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:07,247 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:07,247 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:07,331 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 07:22:07,332 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524522457]
[2020-09-25 07:22:07,333 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:22:07,333 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 07:22:07,334 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832322601]
[2020-09-25 07:22:07,334 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 07:22:07,335 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:22:07,335 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 07:22:07,335 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 07:22:07,344 INFO  L87              Difference]: Start difference. First operand 734 states and 791 transitions. Second operand 5 states.
[2020-09-25 07:22:08,654 WARN  L193               SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 171
[2020-09-25 07:22:10,950 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:22:10,951 INFO  L93              Difference]: Finished difference Result 781 states and 844 transitions.
[2020-09-25 07:22:10,951 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 07:22:10,952 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 280
[2020-09-25 07:22:10,953 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:22:10,958 INFO  L225             Difference]: With dead ends: 781
[2020-09-25 07:22:10,958 INFO  L226             Difference]: Without dead ends: 777
[2020-09-25 07:22:10,960 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 07:22:10,962 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 777 states.
[2020-09-25 07:22:11,008 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 732.
[2020-09-25 07:22:11,008 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 732 states.
[2020-09-25 07:22:11,012 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 787 transitions.
[2020-09-25 07:22:11,012 INFO  L78                 Accepts]: Start accepts. Automaton has 732 states and 787 transitions. Word has length 280
[2020-09-25 07:22:11,013 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:22:11,013 INFO  L479      AbstractCegarLoop]: Abstraction has 732 states and 787 transitions.
[2020-09-25 07:22:11,013 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 07:22:11,014 INFO  L276                IsEmpty]: Start isEmpty. Operand 732 states and 787 transitions.
[2020-09-25 07:22:11,018 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 282
[2020-09-25 07:22:11,018 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:22:11,019 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 07:22:11,019 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 07:22:11,019 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:22:11,019 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:22:11,020 INFO  L82        PathProgramCache]: Analyzing trace with hash -809653957, now seen corresponding path program 1 times
[2020-09-25 07:22:11,020 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:22:11,020 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1817917479]
[2020-09-25 07:22:11,020 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:22:11,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:11,253 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:11,587 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:12,142 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:12,143 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 298
[2020-09-25 07:22:12,143 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 07:22:12,143 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 986
[2020-09-25 07:22:12,144 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:12,144 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:12,144 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:22:12,144 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 253
[2020-09-25 07:22:12,144 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 41
[2020-09-25 07:22:12,145 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:12,493 WARN  L193               SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 169
[2020-09-25 07:22:12,494 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:22:12,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:12,533 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:12,748 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:12,749 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 239
[2020-09-25 07:22:12,749 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:12,749 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 239
[2020-09-25 07:22:12,750 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:12,750 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:12,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:12,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:12,751 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:12,751 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:12,901 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240
[2020-09-25 07:22:12,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:12,909 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:12,932 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:12,932 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 07:22:12,933 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:12,933 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 27
[2020-09-25 07:22:12,934 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:12,934 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:12,934 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:22:12,935 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:12,935 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 07:22:12,935 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:12,944 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266
[2020-09-25 07:22:12,946 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:12,951 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:12,972 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:12,972 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 07:22:12,973 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:12,973 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 25
[2020-09-25 07:22:12,973 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:12,974 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:12,974 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:22:12,974 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:12,974 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 07:22:12,975 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:12,980 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:22:12,981 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:12,986 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:12,991 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:12,991 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:22:12,992 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:12,992 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 07:22:12,992 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:12,992 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:12,992 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:12,993 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:12,993 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:12,993 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:13,070 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 07:22:13,070 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1817917479]
[2020-09-25 07:22:13,070 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:22:13,071 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 07:22:13,071 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578046228]
[2020-09-25 07:22:13,072 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 07:22:13,072 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:22:13,072 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 07:22:13,073 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 07:22:13,073 INFO  L87              Difference]: Start difference. First operand 732 states and 787 transitions. Second operand 5 states.
[2020-09-25 07:22:14,361 WARN  L193               SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 171
[2020-09-25 07:22:16,451 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:22:16,451 INFO  L93              Difference]: Finished difference Result 777 states and 839 transitions.
[2020-09-25 07:22:16,452 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-25 07:22:16,452 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 281
[2020-09-25 07:22:16,453 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:22:16,458 INFO  L225             Difference]: With dead ends: 777
[2020-09-25 07:22:16,459 INFO  L226             Difference]: Without dead ends: 760
[2020-09-25 07:22:16,459 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 07:22:16,461 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 760 states.
[2020-09-25 07:22:16,544 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 717.
[2020-09-25 07:22:16,545 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 717 states.
[2020-09-25 07:22:16,550 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 770 transitions.
[2020-09-25 07:22:16,550 INFO  L78                 Accepts]: Start accepts. Automaton has 717 states and 770 transitions. Word has length 281
[2020-09-25 07:22:16,551 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:22:16,551 INFO  L479      AbstractCegarLoop]: Abstraction has 717 states and 770 transitions.
[2020-09-25 07:22:16,551 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 07:22:16,552 INFO  L276                IsEmpty]: Start isEmpty. Operand 717 states and 770 transitions.
[2020-09-25 07:22:16,558 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 330
[2020-09-25 07:22:16,558 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:22:16,558 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 07:22:16,559 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 07:22:16,559 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:22:16,559 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:22:16,560 INFO  L82        PathProgramCache]: Analyzing trace with hash -1704679464, now seen corresponding path program 1 times
[2020-09-25 07:22:16,560 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:22:16,560 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992080021]
[2020-09-25 07:22:16,560 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:22:16,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:16,764 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:17,049 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:17,416 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:19,415 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:19,415 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 358
[2020-09-25 07:22:19,416 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 07:22:19,416 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2756
[2020-09-25 07:22:19,416 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:19,417 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:19,417 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:22:19,417 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 259
[2020-09-25 07:22:19,418 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 24
[2020-09-25 07:22:19,418 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:19,771 WARN  L193               SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 169
[2020-09-25 07:22:19,772 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:22:19,786 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:19,806 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:19,982 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:19,982 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 239
[2020-09-25 07:22:19,983 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:19,983 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 194
[2020-09-25 07:22:19,983 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:19,983 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:19,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:19,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:19,984 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:19,984 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:20,170 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240
[2020-09-25 07:22:20,173 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:20,176 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:20,188 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:20,188 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 07:22:20,188 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:20,189 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-25 07:22:20,189 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:20,189 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:20,189 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:20,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:20,190 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:20,190 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:20,216 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279
[2020-09-25 07:22:20,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:20,225 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:20,242 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:20,242 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 20
[2020-09-25 07:22:20,242 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:20,242 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 21
[2020-09-25 07:22:20,243 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:20,243 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:20,243 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:20,243 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 17
[2020-09-25 07:22:20,243 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:20,244 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:20,250 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 07:22:20,251 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:20,255 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:20,266 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:20,266 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 07:22:20,266 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:20,267 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-25 07:22:20,267 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:20,267 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:20,267 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:20,268 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:20,268 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:20,268 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:20,287 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2020-09-25 07:22:20,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:20,294 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:20,308 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:20,308 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 23
[2020-09-25 07:22:20,308 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:20,309 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 18
[2020-09-25 07:22:20,309 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:20,309 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:20,309 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:20,310 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 07:22:20,310 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:20,310 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:20,316 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 07:22:20,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:20,320 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:20,325 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:20,325 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:22:20,326 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:20,326 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 07:22:20,326 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:20,326 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:20,327 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:20,327 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:20,327 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:20,327 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:20,335 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2020-09-25 07:22:20,336 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:20,339 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:20,347 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:20,348 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:22:20,348 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:20,348 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 07:22:20,348 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:20,348 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:20,349 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:20,349 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:20,349 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:20,349 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:20,354 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310
[2020-09-25 07:22:20,356 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:20,360 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:20,376 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:20,377 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 07:22:20,377 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:20,377 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 20
[2020-09-25 07:22:20,377 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:20,377 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:20,378 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:20,378 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 9
[2020-09-25 07:22:20,378 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:20,378 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:20,470 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 07:22:20,471 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992080021]
[2020-09-25 07:22:20,473 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:22:20,473 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 07:22:20,473 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016170589]
[2020-09-25 07:22:20,474 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 07:22:20,475 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:22:20,475 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 07:22:20,476 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-09-25 07:22:20,476 INFO  L87              Difference]: Start difference. First operand 717 states and 770 transitions. Second operand 7 states.
[2020-09-25 07:22:21,688 WARN  L193               SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 171
[2020-09-25 07:22:26,225 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:22:26,225 INFO  L93              Difference]: Finished difference Result 1812 states and 2058 transitions.
[2020-09-25 07:22:26,226 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-09-25 07:22:26,226 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 329
[2020-09-25 07:22:26,227 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:22:26,234 INFO  L225             Difference]: With dead ends: 1812
[2020-09-25 07:22:26,234 INFO  L226             Difference]: Without dead ends: 1347
[2020-09-25 07:22:26,237 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156
[2020-09-25 07:22:26,239 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1347 states.
[2020-09-25 07:22:26,305 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1049.
[2020-09-25 07:22:26,305 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1049 states.
[2020-09-25 07:22:26,309 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1142 transitions.
[2020-09-25 07:22:26,310 INFO  L78                 Accepts]: Start accepts. Automaton has 1049 states and 1142 transitions. Word has length 329
[2020-09-25 07:22:26,310 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:22:26,311 INFO  L479      AbstractCegarLoop]: Abstraction has 1049 states and 1142 transitions.
[2020-09-25 07:22:26,311 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 07:22:26,311 INFO  L276                IsEmpty]: Start isEmpty. Operand 1049 states and 1142 transitions.
[2020-09-25 07:22:26,315 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 371
[2020-09-25 07:22:26,315 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 07:22:26,316 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 07:22:26,316 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 07:22:26,316 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:22:26,317 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:22:26,317 INFO  L82        PathProgramCache]: Analyzing trace with hash -80114865, now seen corresponding path program 1 times
[2020-09-25 07:22:26,317 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:22:26,317 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857557506]
[2020-09-25 07:22:26,318 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:22:26,405 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:26,522 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:27,961 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:27,962 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 403
[2020-09-25 07:22:27,963 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:27,963 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1545
[2020-09-25 07:22:27,963 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:27,963 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:27,963 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 07:22:27,964 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 364
[2020-09-25 07:22:27,964 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 35
[2020-09-25 07:22:27,964 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:22:28,325 WARN  L193               SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 169
[2020-09-25 07:22:28,326 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:22:28,341 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:28,361 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:28,524 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:28,525 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 239
[2020-09-25 07:22:28,525 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:28,525 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 182
[2020-09-25 07:22:28,525 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:28,526 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:28,526 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:28,526 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:28,526 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:28,526 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:28,630 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240
[2020-09-25 07:22:28,631 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:28,634 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:28,644 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:28,644 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 07:22:28,644 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:28,645 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 07:22:28,645 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:28,645 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:28,645 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:28,645 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:28,646 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:28,646 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:22:28,652 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268
[2020-09-25 07:22:28,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:28,656 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:28,668 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:28,668 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 23
[2020-09-25 07:22:28,669 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:28,669 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 15
[2020-09-25 07:22:28,669 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:28,669 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:28,669 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:28,670 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:28,670 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:28,670 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:22:28,676 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 07:22:28,677 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:28,681 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:28,691 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:28,691 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 13
[2020-09-25 07:22:28,691 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:28,691 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 07:22:28,692 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:28,692 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:28,692 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:28,692 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:28,692 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:28,693 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:28,710 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320
[2020-09-25 07:22:28,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:28,715 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:28,729 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:28,729 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 20
[2020-09-25 07:22:28,729 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:28,730 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 17
[2020-09-25 07:22:28,730 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:28,730 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:28,730 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:28,731 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:28,731 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:28,731 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:28,737 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 07:22:28,738 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:28,743 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:28,759 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:28,759 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 07:22:28,760 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:28,760 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 20
[2020-09-25 07:22:28,760 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:28,760 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:28,761 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:22:28,761 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:28,761 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:22:28,761 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:22:28,786 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336
[2020-09-25 07:22:28,789 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:28,794 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:28,823 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:28,824 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 23
[2020-09-25 07:22:28,824 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:28,824 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 33
[2020-09-25 07:22:28,824 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:28,824 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:28,825 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:22:28,825 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:28,825 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 07:22:28,825 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:28,836 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 07:22:28,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:28,842 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:28,864 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:28,864 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:22:28,865 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:28,865 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 25
[2020-09-25 07:22:28,865 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:28,865 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:28,865 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:22:28,866 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:28,866 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:22:28,866 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:28,873 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2020-09-25 07:22:28,881 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:28,885 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:28,895 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:28,896 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 07:22:28,896 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:28,897 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 07:22:28,897 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:28,897 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:28,898 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:22:28,898 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:28,898 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 07:22:28,898 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:28,904 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351
[2020-09-25 07:22:28,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:22:28,911 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:22:28,931 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:22:28,932 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 07:22:28,932 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:22:28,932 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 25
[2020-09-25 07:22:28,933 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:22:28,933 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 07:22:28,933 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:22:28,934 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:22:28,934 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 07:22:28,934 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:22:29,053 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 07:22:29,053 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857557506]
[2020-09-25 07:22:29,053 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:22:29,054 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 07:22:29,055 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128609122]
[2020-09-25 07:22:29,056 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 07:22:29,056 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:22:29,056 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 07:22:29,057 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-09-25 07:22:29,057 INFO  L87              Difference]: Start difference. First operand 1049 states and 1142 transitions. Second operand 7 states.
[2020-09-25 07:22:31,175 WARN  L193               SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 171
[2020-09-25 07:22:32,148 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:22:32,148 INFO  L93              Difference]: Finished difference Result 1341 states and 1526 transitions.
[2020-09-25 07:22:32,149 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 07:22:32,149 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 370
[2020-09-25 07:22:32,151 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:22:32,151 INFO  L225             Difference]: With dead ends: 1341
[2020-09-25 07:22:32,151 INFO  L226             Difference]: Without dead ends: 0
[2020-09-25 07:22:32,157 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110
[2020-09-25 07:22:32,158 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 07:22:32,158 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 07:22:32,158 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 07:22:32,159 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 07:22:32,159 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 370
[2020-09-25 07:22:32,159 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:22:32,159 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 07:22:32,160 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 07:22:32,160 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 07:22:32,160 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 07:22:32,160 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 07:22:32,163 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 07:22:32,373 WARN  L193               SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 07:22:32,535 WARN  L193               SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 176
[2020-09-25 07:22:32,689 WARN  L193               SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 176
[2020-09-25 07:22:32,848 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 07:22:33,000 WARN  L193               SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 176
[2020-09-25 07:22:33,145 WARN  L193               SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 07:22:33,368 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 176
[2020-09-25 07:22:33,509 WARN  L193               SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 07:22:33,653 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 176
[2020-09-25 07:22:33,796 WARN  L193               SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 07:22:33,934 WARN  L193               SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 07:22:34,077 WARN  L193               SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 176
[2020-09-25 07:22:34,215 WARN  L193               SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 07:22:34,387 WARN  L193               SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 07:22:34,523 WARN  L193               SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174
[2020-09-25 07:22:34,667 WARN  L193               SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175
[2020-09-25 07:22:34,803 WARN  L193               SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175