/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=DEEPEST --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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i


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


This is Ultimate 0.1.25-c90d42b
[2020-09-25 01:39:53,172 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 01:39:53,177 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 01:39:53,227 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 01:39:53,228 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 01:39:53,239 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 01:39:53,242 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 01:39:53,246 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 01:39:53,249 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 01:39:53,253 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 01:39:53,254 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 01:39:53,256 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 01:39:53,256 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 01:39:53,260 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 01:39:53,263 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 01:39:53,265 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 01:39:53,267 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 01:39:53,269 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 01:39:53,271 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 01:39:53,281 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 01:39:53,284 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 01:39:53,285 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 01:39:53,286 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 01:39:53,287 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 01:39:53,290 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 01:39:53,291 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 01:39:53,291 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 01:39:53,294 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 01:39:53,295 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 01:39:53,297 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 01:39:53,297 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 01:39:53,298 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 01:39:53,299 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 01:39:53,300 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 01:39:53,302 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 01:39:53,302 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 01:39:53,303 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 01:39:53,303 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 01:39:53,303 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 01:39:53,304 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 01:39:53,306 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 01:39:53,307 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 01:39:53,359 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 01:39:53,359 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 01:39:53,362 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 01:39:53,362 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 01:39:53,362 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 01:39:53,363 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 01:39:53,363 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 01:39:53,363 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 01:39:53,363 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 01:39:53,364 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 01:39:53,365 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 01:39:53,365 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 01:39:53,365 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 01:39:53,366 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 01:39:53,366 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 01:39:53,366 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 01:39:53,366 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 01:39:53,367 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 01:39:53,367 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 01:39:53,367 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 01:39:53,367 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 01:39:53,368 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 01:39:53,368 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 01:39:53,368 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 01:39:53,368 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 01:39:53,368 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 01:39:53,369 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2020-09-25 01:39:53,369 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true;
[2020-09-25 01:39:53,839 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 01:39:53,867 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 01:39:53,871 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 01:39:53,873 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 01:39:53,874 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 01:39:53,876 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i
[2020-09-25 01:39:53,949 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3ff44c01/d1921e1a661545448352183edc3d33ad/FLAGb6bfd9358
[2020-09-25 01:39:54,757 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 01:39:54,758 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i
[2020-09-25 01:39:54,802 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3ff44c01/d1921e1a661545448352183edc3d33ad/FLAGb6bfd9358
[2020-09-25 01:39:55,303 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3ff44c01/d1921e1a661545448352183edc3d33ad
[2020-09-25 01:39:55,317 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 01:39:55,323 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 01:39:55,324 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 01:39:55,325 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 01:39:55,329 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 01:39:55,330 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:39:55" (1/1) ...
[2020-09-25 01:39:55,335 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b821aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:39:55, skipping insertion in model container
[2020-09-25 01:39:55,335 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:39:55" (1/1) ...
[2020-09-25 01:39:55,344 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 01:39:55,448 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 01:39:57,106 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 01:39:57,131 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 01:39:57,528 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 01:39:57,615 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 01:39:57,617 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:39:57 WrapperNode
[2020-09-25 01:39:57,617 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 01:39:57,619 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 01:39:57,619 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 01:39:57,619 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 01:39:57,640 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:39:57" (1/1) ...
[2020-09-25 01:39:57,640 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:39:57" (1/1) ...
[2020-09-25 01:39:57,709 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:39:57" (1/1) ...
[2020-09-25 01:39:57,713 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:39:57" (1/1) ...
[2020-09-25 01:39:57,781 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:39:57" (1/1) ...
[2020-09-25 01:39:57,792 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:39:57" (1/1) ...
[2020-09-25 01:39:57,804 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:39:57" (1/1) ...
[2020-09-25 01:39:57,827 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 01:39:57,828 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 01:39:57,828 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 01:39:57,828 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 01:39:57,830 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:39:57" (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 01:39:57,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 01:39:57,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 01:39:57,917 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID
[2020-09-25 01:39:57,917 INFO  L138     BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD
[2020-09-25 01:39:57,918 INFO  L138     BoogieDeclarations]: Found implementation of procedure list_add_tail
[2020-09-25 01:39:57,918 INFO  L138     BoogieDeclarations]: Found implementation of procedure __kmalloc
[2020-09-25 01:39:57,919 INFO  L138     BoogieDeclarations]: Found implementation of procedure kmalloc
[2020-09-25 01:39:57,919 INFO  L138     BoogieDeclarations]: Found implementation of procedure kzalloc
[2020-09-25 01:39:57,920 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-25 01:39:57,920 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2020-09-25 01:39:57,921 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2020-09-25 01:39:57,921 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_int
[2020-09-25 01:39:57,921 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong
[2020-09-25 01:39:57,921 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2020-09-25 01:39:57,922 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2020-09-25 01:39:57,922 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2020-09-25 01:39:57,922 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap
[2020-09-25 01:39:57,924 INFO  L138     BoogieDeclarations]: Found implementation of procedure to_spi_device
[2020-09-25 01:39:57,925 INFO  L138     BoogieDeclarations]: Found implementation of procedure spi_set_drvdata
[2020-09-25 01:39:57,925 INFO  L138     BoogieDeclarations]: Found implementation of procedure spi_get_drvdata
[2020-09-25 01:39:57,925 INFO  L138     BoogieDeclarations]: Found implementation of procedure spi_unregister_driver
[2020-09-25 01:39:57,925 INFO  L138     BoogieDeclarations]: Found implementation of procedure spi_message_init
[2020-09-25 01:39:57,925 INFO  L138     BoogieDeclarations]: Found implementation of procedure spi_message_add_tail
[2020-09-25 01:39:57,926 INFO  L138     BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset
[2020-09-25 01:39:57,926 INFO  L138     BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init
[2020-09-25 01:39:57,926 INFO  L138     BoogieDeclarations]: Found implementation of procedure wl12xx_spi_read_busy
[2020-09-25 01:39:57,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_read
[2020-09-25 01:39:57,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_write
[2020-09-25 01:39:57,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure wl1271_probe
[2020-09-25 01:39:57,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure wl1271_remove
[2020-09-25 01:39:57,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_init
[2020-09-25 01:39:57,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_exit
[2020-09-25 01:39:57,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize_wl1271_if_operations_2
[2020-09-25 01:39:57,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_1
[2020-09-25 01:39:57,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 01:39:57,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop___0
[2020-09-25 01:39:57,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata
[2020-09-25 01:39:57,929 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata
[2020-09-25 01:39:57,929 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf
[2020-09-25 01:39:57,929 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_free_urb
[2020-09-25 01:39:57,929 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb
[2020-09-25 01:39:57,929 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb
[2020-09-25 01:39:57,931 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_submit_urb
[2020-09-25 01:39:57,932 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_get_dev
[2020-09-25 01:39:57,932 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_put_dev
[2020-09-25 01:39:57,932 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_get_interface
[2020-09-25 01:39:57,933 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_put_interface
[2020-09-25 01:39:57,933 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_serial_register
[2020-09-25 01:39:57,933 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister
[2020-09-25 01:39:57,934 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2020-09-25 01:39:57,934 INFO  L138     BoogieDeclarations]: Found implementation of procedure __list_add
[2020-09-25 01:39:57,934 INFO  L138     BoogieDeclarations]: Found implementation of procedure crc7
[2020-09-25 01:39:57,934 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_err
[2020-09-25 01:39:57,935 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_get_drvdata
[2020-09-25 01:39:57,935 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_set_drvdata
[2020-09-25 01:39:57,935 INFO  L138     BoogieDeclarations]: Found implementation of procedure driver_unregister
[2020-09-25 01:39:57,935 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2020-09-25 01:39:57,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_release_2
[2020-09-25 01:39:57,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_setup_2
[2020-09-25 01:39:57,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure platform_device_add
[2020-09-25 01:39:57,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure platform_device_add_data
[2020-09-25 01:39:57,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure platform_device_add_resources
[2020-09-25 01:39:57,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure platform_device_alloc
[2020-09-25 01:39:57,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure platform_device_put
[2020-09-25 01:39:57,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure platform_device_unregister
[2020-09-25 01:39:57,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure spi_register_driver
[2020-09-25 01:39:57,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure spi_setup
[2020-09-25 01:39:57,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure spi_sync
[2020-09-25 01:39:57,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure warn_slowpath_null
[2020-09-25 01:39:57,938 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2020-09-25 01:39:57,938 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2020-09-25 01:39:57,938 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2020-09-25 01:39:57,939 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 01:39:57,940 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2020-09-25 01:39:57,940 INFO  L130     BoogieDeclarations]: Found specification of procedure memset
[2020-09-25 01:39:57,941 INFO  L130     BoogieDeclarations]: Found specification of procedure warn_slowpath_null
[2020-09-25 01:39:57,941 INFO  L130     BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD
[2020-09-25 01:39:57,941 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 01:39:57,941 INFO  L130     BoogieDeclarations]: Found specification of procedure __list_add
[2020-09-25 01:39:57,941 INFO  L130     BoogieDeclarations]: Found specification of procedure list_add_tail
[2020-09-25 01:39:57,941 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 01:39:57,942 INFO  L130     BoogieDeclarations]: Found specification of procedure driver_unregister
[2020-09-25 01:39:57,942 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_get_drvdata
[2020-09-25 01:39:57,942 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_set_drvdata
[2020-09-25 01:39:57,942 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_err
[2020-09-25 01:39:57,942 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2020-09-25 01:39:57,942 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2020-09-25 01:39:57,943 INFO  L130     BoogieDeclarations]: Found specification of procedure __kmalloc
[2020-09-25 01:39:57,943 INFO  L130     BoogieDeclarations]: Found specification of procedure kmalloc
[2020-09-25 01:39:57,943 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2020-09-25 01:39:57,943 INFO  L130     BoogieDeclarations]: Found specification of procedure kzalloc
[2020-09-25 01:39:57,943 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 01:39:57,944 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2020-09-25 01:39:57,944 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 01:39:58,025 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t
[2020-09-25 01:39:58,025 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2020-09-25 01:39:58,025 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 01:39:58,026 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-25 01:39:58,026 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 01:39:58,026 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2020-09-25 01:39:58,027 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_int
[2020-09-25 01:39:58,027 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ulong
[2020-09-25 01:39:58,027 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2020-09-25 01:39:58,027 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2020-09-25 01:39:58,027 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_trap
[2020-09-25 01:39:58,027 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize_wl1271_if_operations_2
[2020-09-25 01:39:58,028 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_1
[2020-09-25 01:39:58,028 INFO  L130     BoogieDeclarations]: Found specification of procedure crc7
[2020-09-25 01:39:58,028 INFO  L130     BoogieDeclarations]: Found specification of procedure to_spi_device
[2020-09-25 01:39:58,028 INFO  L130     BoogieDeclarations]: Found specification of procedure spi_set_drvdata
[2020-09-25 01:39:58,028 INFO  L130     BoogieDeclarations]: Found specification of procedure spi_get_drvdata
[2020-09-25 01:39:58,028 INFO  L130     BoogieDeclarations]: Found specification of procedure spi_register_driver
[2020-09-25 01:39:58,029 INFO  L130     BoogieDeclarations]: Found specification of procedure spi_unregister_driver
[2020-09-25 01:39:58,029 INFO  L130     BoogieDeclarations]: Found specification of procedure spi_message_init
[2020-09-25 01:39:58,029 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2020-09-25 01:39:58,029 INFO  L130     BoogieDeclarations]: Found specification of procedure spi_message_add_tail
[2020-09-25 01:39:58,029 INFO  L130     BoogieDeclarations]: Found specification of procedure spi_setup
[2020-09-25 01:39:58,030 INFO  L130     BoogieDeclarations]: Found specification of procedure spi_sync
[2020-09-25 01:39:58,030 INFO  L130     BoogieDeclarations]: Found specification of procedure platform_device_unregister
[2020-09-25 01:39:58,030 INFO  L130     BoogieDeclarations]: Found specification of procedure platform_device_alloc
[2020-09-25 01:39:58,031 INFO  L130     BoogieDeclarations]: Found specification of procedure platform_device_add_resources
[2020-09-25 01:39:58,031 INFO  L130     BoogieDeclarations]: Found specification of procedure platform_device_add_data
[2020-09-25 01:39:58,031 INFO  L130     BoogieDeclarations]: Found specification of procedure platform_device_add
[2020-09-25 01:39:58,031 INFO  L130     BoogieDeclarations]: Found specification of procedure platform_device_put
[2020-09-25 01:39:58,031 INFO  L130     BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset
[2020-09-25 01:39:58,031 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 01:39:58,032 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 01:39:58,032 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 01:39:58,034 INFO  L130     BoogieDeclarations]: Found specification of procedure wl12xx_spi_init
[2020-09-25 01:39:58,034 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 01:39:58,034 INFO  L130     BoogieDeclarations]: Found specification of procedure wl12xx_spi_read_busy
[2020-09-25 01:39:58,034 INFO  L130     BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_read
[2020-09-25 01:39:58,034 INFO  L130     BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_write
[2020-09-25 01:39:58,034 INFO  L130     BoogieDeclarations]: Found specification of procedure wl1271_probe
[2020-09-25 01:39:58,034 INFO  L130     BoogieDeclarations]: Found specification of procedure wl1271_remove
[2020-09-25 01:39:58,036 INFO  L130     BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_init
[2020-09-25 01:39:58,036 INFO  L130     BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_exit
[2020-09-25 01:39:58,036 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2020-09-25 01:39:58,036 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_release_2
[2020-09-25 01:39:58,038 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2020-09-25 01:39:58,038 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_setup_2
[2020-09-25 01:39:58,038 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 01:39:58,039 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop___0
[2020-09-25 01:39:58,039 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata
[2020-09-25 01:39:58,039 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata
[2020-09-25 01:39:58,039 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf
[2020-09-25 01:39:58,039 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_free_urb
[2020-09-25 01:39:58,039 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb
[2020-09-25 01:39:58,040 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb
[2020-09-25 01:39:58,040 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_submit_urb
[2020-09-25 01:39:58,040 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID
[2020-09-25 01:39:58,040 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_get_dev
[2020-09-25 01:39:58,040 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_put_dev
[2020-09-25 01:39:58,040 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_get_interface
[2020-09-25 01:39:58,040 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_put_interface
[2020-09-25 01:39:58,041 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_serial_register
[2020-09-25 01:39:58,041 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_serial_deregister
[2020-09-25 01:39:58,041 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar
[2020-09-25 01:39:58,041 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-25 01:39:58,041 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 01:39:58,041 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 01:39:58,041 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2020-09-25 01:39:58,042 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 01:39:59,067 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2020-09-25 01:39:59,881 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true;
[2020-09-25 01:40:00,215 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 01:40:00,216 INFO  L295             CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-25 01:40:00,234 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:40:00 BoogieIcfgContainer
[2020-09-25 01:40:00,234 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 01:40:00,237 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 01:40:00,238 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 01:40:00,243 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 01:40:00,244 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:39:55" (1/3) ...
[2020-09-25 01:40:00,245 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1962b8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:40:00, skipping insertion in model container
[2020-09-25 01:40:00,245 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:39:57" (2/3) ...
[2020-09-25 01:40:00,246 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1962b8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:40:00, skipping insertion in model container
[2020-09-25 01:40:00,246 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:40:00" (3/3) ...
[2020-09-25 01:40:00,249 INFO  L109   eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i
[2020-09-25 01:40:00,266 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 01:40:00,283 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 01:40:00,315 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 01:40:00,373 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 01:40:00,374 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 01:40:00,374 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 01:40:00,375 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 01:40:00,375 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 01:40:00,375 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 01:40:00,375 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 01:40:00,376 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 01:40:00,437 INFO  L276                IsEmpty]: Start isEmpty. Operand 1099 states.
[2020-09-25 01:40:00,480 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2020-09-25 01:40:00,480 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 01:40:00,482 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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]
[2020-09-25 01:40:00,487 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 01:40:00,498 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 01:40:00,498 INFO  L82        PathProgramCache]: Analyzing trace with hash -126969232, now seen corresponding path program 1 times
[2020-09-25 01:40:00,514 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 01:40:00,515 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479642323]
[2020-09-25 01:40:00,515 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 01:40:01,113 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:01,407 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:01,673 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:02,219 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:04,306 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:06,230 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:06,230 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 215
[2020-09-25 01:40:06,230 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 01:40:06,231 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5108
[2020-09-25 01:40:06,234 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:06,235 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:06,235 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 178
[2020-09-25 01:40:06,236 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-25 01:40:06,236 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 01:40:06,857 WARN  L193               SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 01:40:06,866 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 01:40:06,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:06,910 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:07,059 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:07,059 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 84
[2020-09-25 01:40:07,059 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:07,060 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 172
[2020-09-25 01:40:07,060 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:07,060 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 01:40:07,060 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:07,061 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 01:40:07,061 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:07,164 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2020-09-25 01:40:07,166 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:07,179 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:07,222 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:07,222 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-25 01:40:07,222 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:07,223 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 55
[2020-09-25 01:40:07,223 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:07,223 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 01:40:07,223 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:07,224 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 01:40:07,224 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:07,251 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 01:40:07,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:07,265 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:07,304 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:07,304 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-25 01:40:07,305 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:07,305 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 50
[2020-09-25 01:40:07,305 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:07,305 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 01:40:07,306 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:07,306 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 01:40:07,306 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:07,332 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-25 01:40:07,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:07,344 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:07,367 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:07,368 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 01:40:07,368 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:07,368 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 33
[2020-09-25 01:40:07,369 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:07,369 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 01:40:07,369 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:07,369 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 01:40:07,370 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:07,400 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 01:40:07,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:07,414 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:07,440 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:07,521 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:07,521 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 01:40:07,522 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 01:40:07,522 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 118
[2020-09-25 01:40:07,522 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:07,522 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 01:40:07,523 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 3
[2020-09-25 01:40:07,523 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 01:40:07,523 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:07,575 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153
[2020-09-25 01:40:07,577 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:07,589 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:07,614 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:07,702 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:07,703 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 01:40:07,703 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 01:40:07,703 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 125
[2020-09-25 01:40:07,703 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:07,704 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 01:40:07,704 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 3
[2020-09-25 01:40:07,704 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 01:40:07,704 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:07,725 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2020-09-25 01:40:07,727 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:07,740 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:07,779 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:07,779 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 01:40:07,779 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:07,779 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 51
[2020-09-25 01:40:07,780 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:07,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 01:40:07,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 12
[2020-09-25 01:40:07,780 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 01:40:07,781 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 01:40:07,793 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 01:40:07,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:07,806 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:07,844 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:07,844 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 01:40:07,844 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:07,844 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 49
[2020-09-25 01:40:07,845 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:07,845 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 01:40:07,845 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:07,845 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 01:40:07,846 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:07,951 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2020-09-25 01:40:07,952 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479642323]
[2020-09-25 01:40:07,955 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 01:40:07,956 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 01:40:07,957 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647035734]
[2020-09-25 01:40:07,965 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 01:40:07,965 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 01:40:07,991 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 01:40:07,992 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 01:40:07,995 INFO  L87              Difference]: Start difference. First operand 1099 states. Second operand 8 states.
[2020-09-25 01:40:08,490 WARN  L193               SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 196
[2020-09-25 01:40:09,534 WARN  L193               SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 198
[2020-09-25 01:40:09,970 WARN  L193               SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 01:40:10,571 WARN  L193               SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 201
[2020-09-25 01:40:10,863 WARN  L193               SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 203
[2020-09-25 01:40:11,184 WARN  L193               SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 01:40:11,515 WARN  L193               SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 01:40:17,049 WARN  L193               SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 199
[2020-09-25 01:40:17,366 WARN  L193               SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 201
[2020-09-25 01:40:17,664 WARN  L193               SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 01:40:17,976 WARN  L193               SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 01:40:22,667 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 01:40:22,667 INFO  L93              Difference]: Finished difference Result 3118 states and 3648 transitions.
[2020-09-25 01:40:22,668 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2020-09-25 01:40:22,670 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 190
[2020-09-25 01:40:22,671 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 01:40:22,710 INFO  L225             Difference]: With dead ends: 3118
[2020-09-25 01:40:22,711 INFO  L226             Difference]: Without dead ends: 2120
[2020-09-25 01:40:22,724 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420
[2020-09-25 01:40:22,750 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2120 states.
[2020-09-25 01:40:23,018 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 1926.
[2020-09-25 01:40:23,020 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1926 states.
[2020-09-25 01:40:23,033 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1926 states and 2158 transitions.
[2020-09-25 01:40:23,036 INFO  L78                 Accepts]: Start accepts. Automaton has 1926 states and 2158 transitions. Word has length 190
[2020-09-25 01:40:23,037 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 01:40:23,037 INFO  L479      AbstractCegarLoop]: Abstraction has 1926 states and 2158 transitions.
[2020-09-25 01:40:23,038 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 01:40:23,038 INFO  L276                IsEmpty]: Start isEmpty. Operand 1926 states and 2158 transitions.
[2020-09-25 01:40:23,042 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 213
[2020-09-25 01:40:23,043 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 01:40:23,043 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-09-25 01:40:23,044 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 01:40:23,044 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 01:40:23,044 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 01:40:23,044 INFO  L82        PathProgramCache]: Analyzing trace with hash 216367441, now seen corresponding path program 1 times
[2020-09-25 01:40:23,045 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 01:40:23,045 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917771571]
[2020-09-25 01:40:23,045 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 01:40:23,166 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:23,293 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:23,826 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:23,826 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 237
[2020-09-25 01:40:23,826 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:23,826 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 656
[2020-09-25 01:40:23,827 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:23,827 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:23,827 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 75
[2020-09-25 01:40:23,827 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 158
[2020-09-25 01:40:23,828 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:24,614 WARN  L193               SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 01:40:24,616 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 01:40:24,672 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:24,740 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:25,067 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:25,067 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 84
[2020-09-25 01:40:25,068 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:25,068 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 394
[2020-09-25 01:40:25,069 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:25,069 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:25,070 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:25,070 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 71
[2020-09-25 01:40:25,070 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 01:40:25,290 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2020-09-25 01:40:25,296 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:25,311 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:25,369 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:25,369 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-25 01:40:25,369 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:25,370 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 72
[2020-09-25 01:40:25,370 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:25,371 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:25,371 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:25,371 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 13
[2020-09-25 01:40:25,371 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:25,399 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 01:40:25,404 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:25,420 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:25,485 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:25,485 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-25 01:40:25,488 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:25,488 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 80
[2020-09-25 01:40:25,489 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:25,489 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:25,489 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:25,489 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 13
[2020-09-25 01:40:25,489 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:25,520 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-25 01:40:25,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:25,536 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:25,575 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:25,576 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 01:40:25,579 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:25,579 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 50
[2020-09-25 01:40:25,580 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:25,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:25,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:25,580 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 01:40:25,580 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:25,611 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 01:40:25,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:25,635 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:25,725 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:25,725 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 01:40:25,725 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:25,726 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 106
[2020-09-25 01:40:25,726 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:25,726 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:25,726 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:25,727 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 01:40:25,727 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 01:40:25,758 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157
[2020-09-25 01:40:25,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:25,780 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:25,859 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:25,859 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 01:40:25,860 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:25,860 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 93
[2020-09-25 01:40:25,860 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:25,860 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:25,861 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:25,861 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 01:40:25,861 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:25,889 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187
[2020-09-25 01:40:25,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:25,910 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:25,981 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:25,982 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 01:40:25,982 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:25,982 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 85
[2020-09-25 01:40:25,982 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:25,983 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:25,983 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:25,983 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 18
[2020-09-25 01:40:25,983 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:26,010 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 01:40:26,011 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:26,024 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:26,057 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:26,058 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 01:40:26,058 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:26,058 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 45
[2020-09-25 01:40:26,059 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:26,059 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 01:40:26,059 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:26,059 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 01:40:26,060 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 01:40:26,223 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2020-09-25 01:40:26,223 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917771571]
[2020-09-25 01:40:26,224 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 01:40:26,224 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 01:40:26,224 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443849592]
[2020-09-25 01:40:26,228 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 01:40:26,228 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 01:40:26,229 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 01:40:26,229 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-25 01:40:26,229 INFO  L87              Difference]: Start difference. First operand 1926 states and 2158 transitions. Second operand 7 states.
[2020-09-25 01:40:26,474 WARN  L193               SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 196
[2020-09-25 01:40:27,258 WARN  L193               SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 200
[2020-09-25 01:40:27,685 WARN  L193               SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 01:40:28,256 WARN  L193               SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 01:40:33,409 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 01:40:33,409 INFO  L93              Difference]: Finished difference Result 2119 states and 2396 transitions.
[2020-09-25 01:40:33,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 01:40:33,410 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 212
[2020-09-25 01:40:33,411 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 01:40:33,427 INFO  L225             Difference]: With dead ends: 2119
[2020-09-25 01:40:33,427 INFO  L226             Difference]: Without dead ends: 2116
[2020-09-25 01:40:33,429 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182
[2020-09-25 01:40:33,432 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2116 states.
[2020-09-25 01:40:33,547 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2116 to 1925.
[2020-09-25 01:40:33,548 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1925 states.
[2020-09-25 01:40:33,557 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 2156 transitions.
[2020-09-25 01:40:33,558 INFO  L78                 Accepts]: Start accepts. Automaton has 1925 states and 2156 transitions. Word has length 212
[2020-09-25 01:40:33,559 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 01:40:33,559 INFO  L479      AbstractCegarLoop]: Abstraction has 1925 states and 2156 transitions.
[2020-09-25 01:40:33,559 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 01:40:33,559 INFO  L276                IsEmpty]: Start isEmpty. Operand 1925 states and 2156 transitions.
[2020-09-25 01:40:33,563 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 214
[2020-09-25 01:40:33,563 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 01:40:33,563 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-09-25 01:40:33,564 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 01:40:33,564 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 01:40:33,564 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 01:40:33,564 INFO  L82        PathProgramCache]: Analyzing trace with hash -1883054238, now seen corresponding path program 1 times
[2020-09-25 01:40:33,565 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 01:40:33,565 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277347516]
[2020-09-25 01:40:33,565 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 01:40:33,666 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:33,813 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:34,276 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:34,276 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 238
[2020-09-25 01:40:34,276 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:34,277 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 606
[2020-09-25 01:40:34,277 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:34,277 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:34,277 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 76
[2020-09-25 01:40:34,277 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 158
[2020-09-25 01:40:34,278 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:35,033 WARN  L193               SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 01:40:35,034 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 01:40:35,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:35,150 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:35,405 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:35,405 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 84
[2020-09-25 01:40:35,406 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:35,406 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 311
[2020-09-25 01:40:35,408 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:35,409 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:35,409 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:35,409 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 72
[2020-09-25 01:40:35,410 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 01:40:35,550 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2020-09-25 01:40:35,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:35,571 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:35,647 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:35,647 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-25 01:40:35,648 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:35,648 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 91
[2020-09-25 01:40:35,648 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:35,649 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:35,649 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:35,649 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 13
[2020-09-25 01:40:35,650 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 01:40:35,682 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 01:40:35,688 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:35,706 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:35,780 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:35,780 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-25 01:40:35,781 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:35,781 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 91
[2020-09-25 01:40:35,781 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:35,781 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:35,782 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:35,782 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 13
[2020-09-25 01:40:35,782 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:35,814 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-25 01:40:35,818 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:35,833 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:35,875 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:35,876 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 01:40:35,876 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:35,876 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 56
[2020-09-25 01:40:35,876 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:35,876 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:35,877 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:35,877 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 01:40:35,877 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:35,918 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 01:40:35,926 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:35,943 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:36,031 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:36,031 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 01:40:36,032 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:36,032 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 104
[2020-09-25 01:40:36,032 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:36,032 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:36,033 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:36,033 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 01:40:36,033 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 01:40:36,064 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157
[2020-09-25 01:40:36,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:36,090 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:36,167 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:36,168 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 01:40:36,168 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:36,169 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 94
[2020-09-25 01:40:36,169 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:36,169 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:36,170 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:36,170 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 01:40:36,170 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 01:40:36,202 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187
[2020-09-25 01:40:36,208 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:36,227 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:36,303 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:36,304 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 01:40:36,304 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:36,305 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 94
[2020-09-25 01:40:36,305 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:36,305 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 01:40:36,306 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:36,306 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 18
[2020-09-25 01:40:36,306 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 01:40:36,335 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-25 01:40:36,336 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:36,350 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:40:36,389 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 01:40:36,390 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 01:40:36,390 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 01:40:36,390 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 52
[2020-09-25 01:40:36,391 FATAL L256   erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 01:40:36,391 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 01:40:36,391 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 01:40:36,392 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 01:40:36,392 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 01:40:36,584 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2020-09-25 01:40:36,585 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277347516]
[2020-09-25 01:40:36,585 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 01:40:36,585 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 01:40:36,586 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044797280]
[2020-09-25 01:40:36,586 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 01:40:36,587 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 01:40:36,587 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 01:40:36,588 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-25 01:40:36,588 INFO  L87              Difference]: Start difference. First operand 1925 states and 2156 transitions. Second operand 7 states.
[2020-09-25 01:40:36,878 WARN  L193               SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 196
[2020-09-25 01:40:37,681 WARN  L193               SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 200
[2020-09-25 01:40:38,095 WARN  L193               SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 01:40:38,647 WARN  L193               SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 01:40:44,053 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 01:40:44,053 INFO  L93              Difference]: Finished difference Result 2118 states and 2394 transitions.
[2020-09-25 01:40:44,054 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-25 01:40:44,054 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 213
[2020-09-25 01:40:44,055 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 01:40:44,068 INFO  L225             Difference]: With dead ends: 2118
[2020-09-25 01:40:44,068 INFO  L226             Difference]: Without dead ends: 2115
[2020-09-25 01:40:44,070 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182
[2020-09-25 01:40:44,074 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2115 states.
[2020-09-25 01:40:44,236 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 1924.
[2020-09-25 01:40:44,237 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1924 states.
[2020-09-25 01:40:44,245 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1924 states and 2154 transitions.
[2020-09-25 01:40:44,245 INFO  L78                 Accepts]: Start accepts. Automaton has 1924 states and 2154 transitions. Word has length 213
[2020-09-25 01:40:44,246 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 01:40:44,246 INFO  L479      AbstractCegarLoop]: Abstraction has 1924 states and 2154 transitions.
[2020-09-25 01:40:44,246 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 01:40:44,246 INFO  L276                IsEmpty]: Start isEmpty. Operand 1924 states and 2154 transitions.
[2020-09-25 01:40:44,250 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 215
[2020-09-25 01:40:44,250 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 01:40:44,250 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-09-25 01:40:44,251 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 01:40:44,251 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 01:40:44,251 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 01:40:44,251 INFO  L82        PathProgramCache]: Analyzing trace with hash 1754355316, now seen corresponding path program 1 times
[2020-09-25 01:40:44,252 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 01:40:44,253 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [446185636]
[2020-09-25 01:40:44,253 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 01:40:44,357 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:40:44,481 FATAL L256   erpolLogProxyWrapper]: Now shrinking...