/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 interpolation-heuristic=FIRST --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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i


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


This is Ultimate 0.1.25-c90d42b
[2020-09-24 16:40:29,659 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-24 16:40:29,663 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 16:40:29,691 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 16:40:29,691 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 16:40:29,693 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 16:40:29,694 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 16:40:29,696 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 16:40:29,698 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 16:40:29,699 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 16:40:29,701 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 16:40:29,702 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 16:40:29,702 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 16:40:29,703 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 16:40:29,705 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 16:40:29,706 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 16:40:29,707 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 16:40:29,708 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 16:40:29,710 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 16:40:29,713 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 16:40:29,714 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 16:40:29,716 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 16:40:29,717 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 16:40:29,718 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 16:40:29,721 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 16:40:29,721 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 16:40:29,722 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 16:40:29,723 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 16:40:29,723 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 16:40:29,724 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 16:40:29,725 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 16:40:29,726 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 16:40:29,727 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 16:40:29,728 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 16:40:29,729 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 16:40:29,729 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 16:40:29,730 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 16:40:29,730 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 16:40:29,730 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 16:40:29,732 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 16:40:29,737 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 16:40:29,738 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
[2020-09-24 16:40:29,771 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-24 16:40:29,771 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 16:40:29,772 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 16:40:29,773 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-24 16:40:29,773 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-24 16:40:29,773 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 16:40:29,773 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-24 16:40:29,773 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-24 16:40:29,774 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 16:40:29,774 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 16:40:29,774 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 16:40:29,774 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-24 16:40:29,774 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-24 16:40:29,775 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-24 16:40:29,775 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 16:40:29,775 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-24 16:40:29,775 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-24 16:40:29,776 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-24 16:40:29,776 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 16:40:29,776 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 16:40:29,776 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 16:40:29,776 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 16:40:29,777 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-24 16:40:29,777 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 16:40:29,777 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 16:40:29,777 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-24 16:40:29,777 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2020-09-24 16:40:29,778 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true;
[2020-09-24 16:40:30,273 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 16:40:30,302 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 16:40:30,308 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 16:40:30,310 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-24 16:40:30,311 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-24 16:40:30,312 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i
[2020-09-24 16:40:30,406 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7caedbacf/022170b79322419484f61555d6e0eb48/FLAGfad8df5a7
[2020-09-24 16:40:31,289 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-24 16:40:31,290 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i
[2020-09-24 16:40:31,321 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7caedbacf/022170b79322419484f61555d6e0eb48/FLAGfad8df5a7
[2020-09-24 16:40:31,791 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7caedbacf/022170b79322419484f61555d6e0eb48
[2020-09-24 16:40:31,806 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 16:40:31,812 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 16:40:31,813 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 16:40:31,813 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 16:40:31,817 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 16:40:31,818 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:40:31" (1/1) ...
[2020-09-24 16:40:31,823 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752aa8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:40:31, skipping insertion in model container
[2020-09-24 16:40:31,823 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:40:31" (1/1) ...
[2020-09-24 16:40:31,832 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-24 16:40:31,944 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-24 16:40:33,508 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:40:33,540 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-24 16:40:33,873 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:40:33,947 INFO  L208         MainTranslator]: Completed translation
[2020-09-24 16:40:33,947 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:40:33 WrapperNode
[2020-09-24 16:40:33,948 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 16:40:33,948 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 16:40:33,949 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 16:40:33,949 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 16:40:33,965 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:40:33" (1/1) ...
[2020-09-24 16:40:33,965 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:40:33" (1/1) ...
[2020-09-24 16:40:34,015 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:40:33" (1/1) ...
[2020-09-24 16:40:34,015 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:40:33" (1/1) ...
[2020-09-24 16:40:34,099 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:40:33" (1/1) ...
[2020-09-24 16:40:34,127 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:40:33" (1/1) ...
[2020-09-24 16:40:34,145 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:40:33" (1/1) ...
[2020-09-24 16:40:34,159 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 16:40:34,160 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 16:40:34,160 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 16:40:34,160 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-24 16:40:34,162 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:40:33" (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
[2020-09-24 16:40:34,251 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 16:40:34,252 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 16:40:34,252 INFO  L138     BoogieDeclarations]: Found implementation of procedure readb
[2020-09-24 16:40:34,252 INFO  L138     BoogieDeclarations]: Found implementation of procedure writeb
[2020-09-24 16:40:34,253 INFO  L138     BoogieDeclarations]: Found implementation of procedure ioremap
[2020-09-24 16:40:34,253 INFO  L138     BoogieDeclarations]: Found implementation of procedure memcpy_fromio
[2020-09-24 16:40:34,253 INFO  L138     BoogieDeclarations]: Found implementation of procedure memcpy_toio
[2020-09-24 16:40:34,253 INFO  L138     BoogieDeclarations]: Found implementation of procedure outb
[2020-09-24 16:40:34,254 INFO  L138     BoogieDeclarations]: Found implementation of procedure inb
[2020-09-24 16:40:34,254 INFO  L138     BoogieDeclarations]: Found implementation of procedure __kmalloc
[2020-09-24 16:40:34,254 INFO  L138     BoogieDeclarations]: Found implementation of procedure kmalloc
[2020-09-24 16:40:34,254 INFO  L138     BoogieDeclarations]: Found implementation of procedure kzalloc
[2020-09-24 16:40:34,254 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-24 16:40:34,255 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2020-09-24 16:40:34,255 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2020-09-24 16:40:34,255 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc
[2020-09-24 16:40:34,255 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_memset
[2020-09-24 16:40:34,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_int
[2020-09-24 16:40:34,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong
[2020-09-24 16:40:34,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2020-09-24 16:40:34,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure request_irq
[2020-09-24 16:40:34,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure netdev_priv
[2020-09-24 16:40:34,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_probe
[2020-09-24 16:40:34,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure check_mirror
[2020-09-24 16:40:34,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_found
[2020-09-24 16:40:34,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_command
[2020-09-24 16:40:34,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_status
[2020-09-24 16:40:34,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_setmask
[2020-09-24 16:40:34,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_reset
[2020-09-24 16:40:34,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card
[2020-09-24 16:40:34,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card
[2020-09-24 16:40:34,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_init
[2020-09-24 16:40:34,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_exit
[2020-09-24 16:40:34,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_irq_1
[2020-09-24 16:40:34,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1
[2020-09-24 16:40:34,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure reg_check_1
[2020-09-24 16:40:34,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure choose_interrupt_1
[2020-09-24 16:40:34,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1
[2020-09-24 16:40:34,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 16:40:34,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_request_irq_5
[2020-09-24 16:40:34,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_free_irq_6
[2020-09-24 16:40:34,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_free_irq_7
[2020-09-24 16:40:34,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2020-09-24 16:40:34,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err
[2020-09-24 16:40:34,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_err_ptr
[2020-09-24 16:40:34,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_ptr_err
[2020-09-24 16:40:34,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null
[2020-09-24 16:40:34,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_module_get
[2020-09-24 16:40:34,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_try_module_get
[2020-09-24 16:40:34,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_module_put
[2020-09-24 16:40:34,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit
[2020-09-24 16:40:34,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_module_refcount
[2020-09-24 16:40:34,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2020-09-24 16:40:34,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure __const_udelay
[2020-09-24 16:40:34,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure __release_region
[2020-09-24 16:40:34,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure __request_region
[2020-09-24 16:40:34,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure alloc_arcdev
[2020-09-24 16:40:34,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure arcnet_interrupt
[2020-09-24 16:40:34,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure free_irq
[2020-09-24 16:40:34,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure free_netdev
[2020-09-24 16:40:34,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure ioremap_nocache
[2020-09-24 16:40:34,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure iounmap
[2020-09-24 16:40:34,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2020-09-24 16:40:34,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure printk
[2020-09-24 16:40:34,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure probe_irq_off
[2020-09-24 16:40:34,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure probe_irq_on
[2020-09-24 16:40:34,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure register_netdev
[2020-09-24 16:40:34,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure request_threaded_irq
[2020-09-24 16:40:34,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure unregister_netdev
[2020-09-24 16:40:34,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2020-09-24 16:40:34,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2020-09-24 16:40:34,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2020-09-24 16:40:34,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy
[2020-09-24 16:40:34,266 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 16:40:34,267 INFO  L130     BoogieDeclarations]: Found specification of procedure printk
[2020-09-24 16:40:34,267 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy
[2020-09-24 16:40:34,267 INFO  L130     BoogieDeclarations]: Found specification of procedure memset
[2020-09-24 16:40:34,267 INFO  L130     BoogieDeclarations]: Found specification of procedure __request_region
[2020-09-24 16:40:34,267 INFO  L130     BoogieDeclarations]: Found specification of procedure __release_region
[2020-09-24 16:40:34,270 INFO  L130     BoogieDeclarations]: Found specification of procedure readb
[2020-09-24 16:40:34,270 INFO  L130     BoogieDeclarations]: Found specification of procedure writeb
[2020-09-24 16:40:34,271 INFO  L130     BoogieDeclarations]: Found specification of procedure ioremap_nocache
[2020-09-24 16:40:34,272 INFO  L130     BoogieDeclarations]: Found specification of procedure ioremap
[2020-09-24 16:40:34,272 INFO  L130     BoogieDeclarations]: Found specification of procedure iounmap
[2020-09-24 16:40:34,273 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy_fromio
[2020-09-24 16:40:34,273 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy
[2020-09-24 16:40:34,273 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy_toio
[2020-09-24 16:40:34,273 INFO  L130     BoogieDeclarations]: Found specification of procedure outb
[2020-09-24 16:40:34,273 INFO  L130     BoogieDeclarations]: Found specification of procedure inb
[2020-09-24 16:40:34,273 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2020-09-24 16:40:34,274 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2020-09-24 16:40:34,274 INFO  L130     BoogieDeclarations]: Found specification of procedure __kmalloc
[2020-09-24 16:40:34,274 INFO  L130     BoogieDeclarations]: Found specification of procedure kmalloc
[2020-09-24 16:40:34,274 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2020-09-24 16:40:34,275 INFO  L130     BoogieDeclarations]: Found specification of procedure kzalloc
[2020-09-24 16:40:34,275 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-24 16:40:34,275 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2020-09-24 16:40:34,275 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 16:40:34,275 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2020-09-24 16:40:34,276 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-09-24 16:40:34,276 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-24 16:40:34,276 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-24 16:40:34,276 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2020-09-24 16:40:34,276 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_init_zalloc
[2020-09-24 16:40:34,276 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_memset
[2020-09-24 16:40:34,277 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2020-09-24 16:40:34,277 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_int
[2020-09-24 16:40:34,277 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ulong
[2020-09-24 16:40:34,277 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2020-09-24 16:40:34,277 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_irq_1
[2020-09-24 16:40:34,277 INFO  L130     BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1
[2020-09-24 16:40:34,278 INFO  L130     BoogieDeclarations]: Found specification of procedure reg_check_1
[2020-09-24 16:40:34,278 INFO  L130     BoogieDeclarations]: Found specification of procedure choose_interrupt_1
[2020-09-24 16:40:34,278 INFO  L130     BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1
[2020-09-24 16:40:34,278 INFO  L130     BoogieDeclarations]: Found specification of procedure request_threaded_irq
[2020-09-24 16:40:34,278 INFO  L130     BoogieDeclarations]: Found specification of procedure request_irq
[2020-09-24 16:40:34,278 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_request_irq_5
[2020-09-24 16:40:34,279 INFO  L130     BoogieDeclarations]: Found specification of procedure free_irq
[2020-09-24 16:40:34,279 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_free_irq_6
[2020-09-24 16:40:34,279 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_free_irq_7
[2020-09-24 16:40:34,280 INFO  L130     BoogieDeclarations]: Found specification of procedure probe_irq_on
[2020-09-24 16:40:34,280 INFO  L130     BoogieDeclarations]: Found specification of procedure probe_irq_off
[2020-09-24 16:40:34,280 INFO  L130     BoogieDeclarations]: Found specification of procedure __const_udelay
[2020-09-24 16:40:34,280 INFO  L130     BoogieDeclarations]: Found specification of procedure netdev_priv
[2020-09-24 16:40:34,281 INFO  L130     BoogieDeclarations]: Found specification of procedure free_netdev
[2020-09-24 16:40:34,281 INFO  L130     BoogieDeclarations]: Found specification of procedure register_netdev
[2020-09-24 16:40:34,282 INFO  L130     BoogieDeclarations]: Found specification of procedure unregister_netdev
[2020-09-24 16:40:34,285 INFO  L130     BoogieDeclarations]: Found specification of procedure arcnet_interrupt
[2020-09-24 16:40:34,285 INFO  L130     BoogieDeclarations]: Found specification of procedure alloc_arcdev
[2020-09-24 16:40:34,285 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_found
[2020-09-24 16:40:34,286 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_command
[2020-09-24 16:40:34,290 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_status
[2020-09-24 16:40:34,291 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_setmask
[2020-09-24 16:40:34,291 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_reset
[2020-09-24 16:40:34,291 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card
[2020-09-24 16:40:34,292 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card
[2020-09-24 16:40:34,292 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_probe
[2020-09-24 16:40:34,292 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-24 16:40:34,292 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-24 16:40:34,292 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-24 16:40:34,293 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-24 16:40:34,293 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-24 16:40:34,293 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-24 16:40:34,294 INFO  L130     BoogieDeclarations]: Found specification of procedure check_mirror
[2020-09-24 16:40:34,294 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_init
[2020-09-24 16:40:34,299 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_exit
[2020-09-24 16:40:34,299 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2020-09-24 16:40:34,299 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2020-09-24 16:40:34,299 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-24 16:40:34,300 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2020-09-24 16:40:34,300 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err
[2020-09-24 16:40:34,300 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_err_ptr
[2020-09-24 16:40:34,300 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_ptr_err
[2020-09-24 16:40:34,300 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null
[2020-09-24 16:40:34,300 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_module_get
[2020-09-24 16:40:34,301 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_try_module_get
[2020-09-24 16:40:34,301 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_module_put
[2020-09-24 16:40:34,302 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit
[2020-09-24 16:40:34,302 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_module_refcount
[2020-09-24 16:40:34,302 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-24 16:40:34,302 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 16:40:34,302 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-24 16:40:34,302 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 16:40:34,303 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2020-09-24 16:40:34,303 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2020-09-24 16:40:34,303 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2020-09-24 16:40:34,303 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2020-09-24 16:40:35,128 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2020-09-24 16:40:35,134 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true;
[2020-09-24 16:40:36,703 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 16:40:36,703 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-24 16:40:36,721 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:40:36 BoogieIcfgContainer
[2020-09-24 16:40:36,721 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 16:40:36,723 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 16:40:36,723 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 16:40:36,729 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-24 16:40:36,729 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:40:31" (1/3) ...
[2020-09-24 16:40:36,730 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526695cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:40:36, skipping insertion in model container
[2020-09-24 16:40:36,730 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:40:33" (2/3) ...
[2020-09-24 16:40:36,730 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526695cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:40:36, skipping insertion in model container
[2020-09-24 16:40:36,731 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:40:36" (3/3) ...
[2020-09-24 16:40:36,733 INFO  L109   eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i
[2020-09-24 16:40:36,745 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 16:40:36,758 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 16:40:36,780 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 16:40:36,818 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-24 16:40:36,818 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-24 16:40:36,819 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 16:40:36,819 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 16:40:36,819 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 16:40:36,819 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-24 16:40:36,819 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 16:40:36,819 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 16:40:36,863 INFO  L276                IsEmpty]: Start isEmpty. Operand 1450 states.
[2020-09-24 16:40:36,883 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 299
[2020-09-24 16:40:36,883 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-24 16:40:36,885 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]
[2020-09-24 16:40:36,886 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:40:36,893 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:40:36,894 INFO  L82        PathProgramCache]: Analyzing trace with hash 462327911, now seen corresponding path program 1 times
[2020-09-24 16:40:36,905 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:40:36,905 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258350739]
[2020-09-24 16:40:36,906 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:40:37,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:40:37,711 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:40:37,712 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:40:37,712 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:40:37,712 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:40:37,713 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 313
[2020-09-24 16:40:37,713 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:40:37,713 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 20
[2020-09-24 16:40:37,713 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:40:37,714 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:40:37,714 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 278
[2020-09-24 16:40:37,714 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-24 16:40:37,714 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:40:39,617 WARN  L193               SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 514
[2020-09-24 16:40:39,626 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:40:39,652 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:40:39,655 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:40:39,655 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:40:39,656 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:40:39,691 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:40:39,691 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 266
[2020-09-24 16:40:39,691 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:40:39,692 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 37
[2020-09-24 16:40:39,692 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:40:39,692 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:40:39,692 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:40:39,692 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:40:39,693 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:40:40,084 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264
[2020-09-24 16:40:40,085 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:40:40,086 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:40:40,086 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:40:40,087 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:40:40,087 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:40:40,087 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:40:40,087 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:40:40,088 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:40:40,088 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:40:40,088 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:40:40,088 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:40:40,088 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:40:40,089 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:40:40,124 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284
[2020-09-24 16:40:40,126 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:40:40,128 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:40:40,129 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:40:40,130 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:40:40,130 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:40:40,130 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-24 16:40:40,130 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:40:40,131 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:40:40,131 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:40:40,131 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:40:40,131 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 11
[2020-09-24 16:40:40,133 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:40:40,133 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-24 16:40:40,320 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 16:40:40,321 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258350739]
[2020-09-24 16:40:40,323 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:40:40,324 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-24 16:40:40,325 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353809385]
[2020-09-24 16:40:40,334 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 16:40:40,335 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:40:40,353 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 16:40:40,355 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-24 16:40:40,358 INFO  L87              Difference]: Start difference. First operand 1450 states. Second operand 5 states.
[2020-09-24 16:40:43,721 WARN  L193               SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 516
[2020-09-24 16:40:57,858 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:40:57,858 INFO  L93              Difference]: Finished difference Result 3046 states and 3696 transitions.
[2020-09-24 16:40:57,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-24 16:40:57,865 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 298
[2020-09-24 16:40:57,870 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:40:57,906 INFO  L225             Difference]: With dead ends: 3046
[2020-09-24 16:40:57,907 INFO  L226             Difference]: Without dead ends: 1945
[2020-09-24 16:40:57,919 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-24 16:40:57,945 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1945 states.
[2020-09-24 16:40:58,213 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1945 to 1458.
[2020-09-24 16:40:58,215 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1458 states.
[2020-09-24 16:40:58,223 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1682 transitions.
[2020-09-24 16:40:58,226 INFO  L78                 Accepts]: Start accepts. Automaton has 1458 states and 1682 transitions. Word has length 298
[2020-09-24 16:40:58,228 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:40:58,228 INFO  L479      AbstractCegarLoop]: Abstraction has 1458 states and 1682 transitions.
[2020-09-24 16:40:58,228 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 16:40:58,228 INFO  L276                IsEmpty]: Start isEmpty. Operand 1458 states and 1682 transitions.
[2020-09-24 16:40:58,236 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 366
[2020-09-24 16:40:58,236 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-24 16:40:58,237 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:40:58,242 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 16:40:58,242 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:40:58,243 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:40:58,243 INFO  L82        PathProgramCache]: Analyzing trace with hash -95169640, now seen corresponding path program 1 times
[2020-09-24 16:40:58,243 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:40:58,243 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178178137]
[2020-09-24 16:40:58,244 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:40:58,436 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:40:58,450 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:40:58,450 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:40:58,451 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:40:58,451 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:40:58,451 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 382
[2020-09-24 16:40:58,451 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:40:58,451 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:40:58,452 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:40:58,452 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:40:58,452 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 248
[2020-09-24 16:40:58,452 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 110
[2020-09-24 16:40:58,452 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:41:00,558 WARN  L193               SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 514
[2020-09-24 16:41:00,560 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:41:00,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:41:00,696 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:41:00,696 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:41:00,696 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:41:00,696 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:41:00,697 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 266
[2020-09-24 16:41:00,697 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:41:00,697 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:41:00,697 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:41:00,697 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:41:00,698 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:41:00,698 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 244
[2020-09-24 16:41:00,698 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:41:00,984 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264
[2020-09-24 16:41:00,988 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:41:00,990 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:41:00,991 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:41:00,991 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:41:00,991 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:41:00,992 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:41:00,992 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:41:00,992 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:41:00,993 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:41:00,993 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:41:00,993 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:41:00,993 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-24 16:41:00,994 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:41:01,099 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286
[2020-09-24 16:41:01,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:41:01,121 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:41:01,122 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:41:01,122 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:41:01,122 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:41:01,122 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 76
[2020-09-24 16:41:01,123 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:41:01,123 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:41:01,123 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:41:01,124 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:41:01,124 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 61
[2020-09-24 16:41:01,125 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-24 16:41:01,125 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:41:01,246 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-24 16:41:01,268 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:41:01,270 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:41:01,271 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:41:01,271 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:41:01,271 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:41:01,272 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 68
[2020-09-24 16:41:01,272 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:41:01,272 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:41:01,273 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:41:01,273 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:41:01,274 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 57
[2020-09-24 16:41:01,274 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-24 16:41:01,274 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:41:01,565 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 16:41:01,566 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178178137]
[2020-09-24 16:41:01,566 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:41:01,566 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-24 16:41:01,567 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207084961]
[2020-09-24 16:41:01,571 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-24 16:41:01,571 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:41:01,572 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-24 16:41:01,572 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-24 16:41:01,572 INFO  L87              Difference]: Start difference. First operand 1458 states and 1682 transitions. Second operand 7 states.
[2020-09-24 16:41:03,105 WARN  L193               SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 517
[2020-09-24 16:41:06,629 WARN  L193               SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 519
[2020-09-24 16:41:20,527 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:41:20,527 INFO  L93              Difference]: Finished difference Result 2836 states and 3354 transitions.
[2020-09-24 16:41:20,528 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-09-24 16:41:20,528 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 365
[2020-09-24 16:41:20,530 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:41:20,539 INFO  L225             Difference]: With dead ends: 2836
[2020-09-24 16:41:20,539 INFO  L226             Difference]: Without dead ends: 1648
[2020-09-24 16:41:20,544 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132
[2020-09-24 16:41:20,547 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1648 states.
[2020-09-24 16:41:20,704 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1454.
[2020-09-24 16:41:20,704 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1454 states.
[2020-09-24 16:41:20,711 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 1677 transitions.
[2020-09-24 16:41:20,712 INFO  L78                 Accepts]: Start accepts. Automaton has 1454 states and 1677 transitions. Word has length 365
[2020-09-24 16:41:20,713 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:41:20,713 INFO  L479      AbstractCegarLoop]: Abstraction has 1454 states and 1677 transitions.
[2020-09-24 16:41:20,713 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-24 16:41:20,714 INFO  L276                IsEmpty]: Start isEmpty. Operand 1454 states and 1677 transitions.
[2020-09-24 16:41:20,721 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 407
[2020-09-24 16:41:20,721 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-24 16:41:20,722 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:41:20,722 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 16:41:20,723 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:41:20,723 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:41:20,723 INFO  L82        PathProgramCache]: Analyzing trace with hash -1711376016, now seen corresponding path program 1 times
[2020-09-24 16:41:20,723 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:41:20,724 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934103061]
[2020-09-24 16:41:20,724 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:41:21,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:41:21,029 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:41:21,030 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:41:21,030 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:41:21,030 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:41:21,030 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 431
[2020-09-24 16:41:21,031 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:41:21,031 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:41:21,031 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:41:21,031 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:41:21,031 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 263
[2020-09-24 16:41:21,032 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 164
[2020-09-24 16:41:21,032 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:41:22,715 WARN  L193               SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 514
[2020-09-24 16:41:22,716 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:41:22,832 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:41:22,835 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:41:22,835 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:41:22,835 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:41:22,835 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:41:22,836 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 266
[2020-09-24 16:41:22,836 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:41:22,836 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:41:22,836 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:41:22,836 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:41:22,837 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:41:22,837 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 259
[2020-09-24 16:41:22,837 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:41:23,068 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264
[2020-09-24 16:41:23,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:41:23,073 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:41:23,073 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:41:23,074 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:41:23,074 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:41:23,074 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:41:23,074 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:41:23,074 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:41:23,075 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:41:23,075 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:41:23,075 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:41:23,075 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-24 16:41:23,075 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:41:23,154 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286
[2020-09-24 16:41:23,174 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:41:23,178 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:41:23,178 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:41:23,178 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:41:23,178 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:41:23,179 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 125
[2020-09-24 16:41:23,179 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:41:23,179 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:41:23,179 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:41:23,179 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:41:23,179 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:41:23,180 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 121
[2020-09-24 16:41:23,180 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:41:23,271 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-24 16:41:23,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:41:23,277 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:41:23,277 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:41:23,278 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:41:23,278 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:41:23,278 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 117
[2020-09-24 16:41:23,278 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:41:23,278 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:41:23,279 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:41:23,279 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:41:23,279 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:41:23,279 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:41:23,279 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:41:23,334 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58
[2020-09-24 16:41:23,336 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:41:23,338 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:41:23,338 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:41:23,338 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:41:23,338 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:41:23,339 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 48
[2020-09-24 16:41:23,339 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:41:23,339 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:41:23,339 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:41:23,340 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:41:23,340 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:41:23,340 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:41:23,340 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:41:23,364 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-24 16:41:23,366 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:41:23,367 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:41:23,368 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:41:23,368 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:41:23,368 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:41:23,368 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 37
[2020-09-24 16:41:23,369 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:41:23,369 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:41:23,369 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:41:23,369 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:41:23,370 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:41:23,370 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:41:23,370 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:41:23,393 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-24 16:41:23,394 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:41:23,395 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:41:23,396 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:41:23,396 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:41:23,396 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:41:23,396 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 26
[2020-09-24 16:41:23,397 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:41:23,397 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:41:23,397 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:41:23,397 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:41:23,398 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:41:23,398 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:41:23,398 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:41:23,418 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-24 16:41:23,420 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:41:23,421 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:41:23,421 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:41:23,421 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:41:23,421 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:41:23,422 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-24 16:41:23,422 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:41:23,422 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:41:23,423 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:41:23,423 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:41:23,423 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:41:23,423 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:41:23,424 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:41:23,913 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 16:41:23,913 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934103061]
[2020-09-24 16:41:23,914 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:41:23,914 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-24 16:41:23,915 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885440646]
[2020-09-24 16:41:23,916 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-24 16:41:23,916 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:41:23,917 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-24 16:41:23,917 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-09-24 16:41:23,917 INFO  L87              Difference]: Start difference. First operand 1454 states and 1677 transitions. Second operand 7 states.
[2020-09-24 16:41:25,448 WARN  L193               SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 517