/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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i


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


This is Ultimate 0.1.25-c90d42b
[2020-09-24 20:03:14,546 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-24 20:03:14,549 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 20:03:14,575 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 20:03:14,575 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 20:03:14,576 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 20:03:14,578 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 20:03:14,580 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 20:03:14,582 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 20:03:14,582 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 20:03:14,587 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 20:03:14,591 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 20:03:14,591 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 20:03:14,592 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 20:03:14,594 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 20:03:14,595 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 20:03:14,596 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 20:03:14,597 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 20:03:14,598 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 20:03:14,600 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 20:03:14,602 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 20:03:14,603 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 20:03:14,604 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 20:03:14,605 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 20:03:14,608 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 20:03:14,608 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 20:03:14,609 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 20:03:14,610 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 20:03:14,610 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 20:03:14,611 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 20:03:14,611 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 20:03:14,612 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 20:03:14,613 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 20:03:14,614 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 20:03:14,615 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 20:03:14,616 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 20:03:14,617 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 20:03:14,617 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 20:03:14,617 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 20:03:14,618 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 20:03:14,619 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 20:03:14,620 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 20:03:14,648 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-24 20:03:14,648 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 20:03:14,650 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 20:03:14,650 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-24 20:03:14,650 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-24 20:03:14,650 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 20:03:14,651 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-24 20:03:14,651 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-24 20:03:14,651 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 20:03:14,651 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 20:03:14,651 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 20:03:14,652 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-24 20:03:14,652 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-24 20:03:14,652 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-24 20:03:14,652 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 20:03:14,652 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-24 20:03:14,652 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-24 20:03:14,657 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-24 20:03:14,657 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 20:03:14,657 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 20:03:14,657 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 20:03:14,658 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 20:03:14,658 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-24 20:03:14,658 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 20:03:14,658 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 20:03:14,658 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-24 20:03:14,659 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2020-09-24 20:03:14,660 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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true;
[2020-09-24 20:03:15,133 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 20:03:15,153 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 20:03:15,159 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 20:03:15,162 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-24 20:03:15,162 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-24 20:03:15,164 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i
[2020-09-24 20:03:15,252 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b46a0bb42/41e387f8b60c4b86bf110a0c3ae33aa2/FLAGb8e321e81
[2020-09-24 20:03:16,124 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-24 20:03:16,125 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i
[2020-09-24 20:03:16,177 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b46a0bb42/41e387f8b60c4b86bf110a0c3ae33aa2/FLAGb8e321e81
[2020-09-24 20:03:16,641 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b46a0bb42/41e387f8b60c4b86bf110a0c3ae33aa2
[2020-09-24 20:03:16,655 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 20:03:16,661 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 20:03:16,662 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 20:03:16,662 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 20:03:16,667 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 20:03:16,668 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:03:16" (1/1) ...
[2020-09-24 20:03:16,672 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc46334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:16, skipping insertion in model container
[2020-09-24 20:03:16,672 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:03:16" (1/1) ...
[2020-09-24 20:03:16,681 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-24 20:03:16,811 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-24 20:03:18,331 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-24 20:03:18,355 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-24 20:03:18,646 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-24 20:03:18,767 INFO  L208         MainTranslator]: Completed translation
[2020-09-24 20:03:18,768 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:18 WrapperNode
[2020-09-24 20:03:18,769 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 20:03:18,770 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 20:03:18,770 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 20:03:18,770 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 20:03:18,796 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:18" (1/1) ...
[2020-09-24 20:03:18,796 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:18" (1/1) ...
[2020-09-24 20:03:18,891 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:18" (1/1) ...
[2020-09-24 20:03:18,895 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:18" (1/1) ...
[2020-09-24 20:03:19,005 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:18" (1/1) ...
[2020-09-24 20:03:19,044 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:18" (1/1) ...
[2020-09-24 20:03:19,064 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:18" (1/1) ...
[2020-09-24 20:03:19,081 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 20:03:19,082 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 20:03:19,082 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 20:03:19,082 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-24 20:03:19,084 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:18" (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 20:03:19,171 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 20:03:19,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 20:03:19,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure readb
[2020-09-24 20:03:19,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure writeb
[2020-09-24 20:03:19,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure ioremap
[2020-09-24 20:03:19,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure memcpy_fromio
[2020-09-24 20:03:19,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure memcpy_toio
[2020-09-24 20:03:19,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure outb
[2020-09-24 20:03:19,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure inb
[2020-09-24 20:03:19,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure __kmalloc
[2020-09-24 20:03:19,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure kmalloc
[2020-09-24 20:03:19,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure kzalloc
[2020-09-24 20:03:19,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-24 20:03:19,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2020-09-24 20:03:19,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2020-09-24 20:03:19,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_int
[2020-09-24 20:03:19,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong
[2020-09-24 20:03:19,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2020-09-24 20:03:19,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2020-09-24 20:03:19,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2020-09-24 20:03:19,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap
[2020-09-24 20:03:19,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure request_irq
[2020-09-24 20:03:19,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure netdev_priv
[2020-09-24 20:03:19,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_probe
[2020-09-24 20:03:19,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure check_mirror
[2020-09-24 20:03:19,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_found
[2020-09-24 20:03:19,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_command
[2020-09-24 20:03:19,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_status
[2020-09-24 20:03:19,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_setmask
[2020-09-24 20:03:19,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_reset
[2020-09-24 20:03:19,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card
[2020-09-24 20:03:19,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card
[2020-09-24 20:03:19,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_init
[2020-09-24 20:03:19,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_exit
[2020-09-24 20:03:19,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_irq_1
[2020-09-24 20:03:19,185 INFO  L138     BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1
[2020-09-24 20:03:19,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure reg_check_1
[2020-09-24 20:03:19,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure choose_interrupt_1
[2020-09-24 20:03:19,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1
[2020-09-24 20:03:19,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 20:03:19,186 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5
[2020-09-24 20:03:19,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6
[2020-09-24 20:03:19,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7
[2020-09-24 20:03:19,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8
[2020-09-24 20:03:19,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11
[2020-09-24 20:03:19,187 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_request_irq_12
[2020-09-24 20:03:19,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_free_irq_13
[2020-09-24 20:03:19,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_free_irq_14
[2020-09-24 20:03:19,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_init
[2020-09-24 20:03:19,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_add
[2020-09-24 20:03:19,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_remove
[2020-09-24 20:03:19,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_contains
[2020-09-24 20:03:19,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty
[2020-09-24 20:03:19,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err
[2020-09-24 20:03:19,189 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_err_ptr
[2020-09-24 20:03:19,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_ptr_err
[2020-09-24 20:03:19,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null
[2020-09-24 20:03:19,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc
[2020-09-24 20:03:19,190 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2020-09-24 20:03:19,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_free
[2020-09-24 20:03:19,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int
[2020-09-24 20:03:19,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb
[2020-09-24 20:03:19,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb
[2020-09-24 20:03:19,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_current
[2020-09-24 20:03:19,191 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2020-09-24 20:03:19,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure __const_udelay
[2020-09-24 20:03:19,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure __release_region
[2020-09-24 20:03:19,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure __request_region
[2020-09-24 20:03:19,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure alloc_arcdev
[2020-09-24 20:03:19,192 INFO  L138     BoogieDeclarations]: Found implementation of procedure arcnet_interrupt
[2020-09-24 20:03:19,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure free_irq
[2020-09-24 20:03:19,193 INFO  L138     BoogieDeclarations]: Found implementation of procedure free_netdev
[2020-09-24 20:03:19,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure ioremap_nocache
[2020-09-24 20:03:19,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure iounmap
[2020-09-24 20:03:19,195 INFO  L138     BoogieDeclarations]: Found implementation of procedure printk
[2020-09-24 20:03:19,195 INFO  L138     BoogieDeclarations]: Found implementation of procedure probe_irq_off
[2020-09-24 20:03:19,195 INFO  L138     BoogieDeclarations]: Found implementation of procedure probe_irq_on
[2020-09-24 20:03:19,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure register_netdev
[2020-09-24 20:03:19,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure request_threaded_irq
[2020-09-24 20:03:19,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure unregister_netdev
[2020-09-24 20:03:19,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2020-09-24 20:03:19,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2020-09-24 20:03:19,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy
[2020-09-24 20:03:19,197 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 20:03:19,198 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2020-09-24 20:03:19,198 INFO  L130     BoogieDeclarations]: Found specification of procedure printk
[2020-09-24 20:03:19,198 INFO  L130     BoogieDeclarations]: Found specification of procedure __request_region
[2020-09-24 20:03:19,198 INFO  L130     BoogieDeclarations]: Found specification of procedure __release_region
[2020-09-24 20:03:19,198 INFO  L130     BoogieDeclarations]: Found specification of procedure readb
[2020-09-24 20:03:19,198 INFO  L130     BoogieDeclarations]: Found specification of procedure writeb
[2020-09-24 20:03:19,199 INFO  L130     BoogieDeclarations]: Found specification of procedure ioremap_nocache
[2020-09-24 20:03:19,199 INFO  L130     BoogieDeclarations]: Found specification of procedure ioremap
[2020-09-24 20:03:19,199 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy
[2020-09-24 20:03:19,199 INFO  L130     BoogieDeclarations]: Found specification of procedure iounmap
[2020-09-24 20:03:19,200 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy_fromio
[2020-09-24 20:03:19,200 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy
[2020-09-24 20:03:19,200 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy_toio
[2020-09-24 20:03:19,200 INFO  L130     BoogieDeclarations]: Found specification of procedure outb
[2020-09-24 20:03:19,200 INFO  L130     BoogieDeclarations]: Found specification of procedure inb
[2020-09-24 20:03:19,201 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2020-09-24 20:03:19,201 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2020-09-24 20:03:19,201 INFO  L130     BoogieDeclarations]: Found specification of procedure __kmalloc
[2020-09-24 20:03:19,201 INFO  L130     BoogieDeclarations]: Found specification of procedure kmalloc
[2020-09-24 20:03:19,201 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2020-09-24 20:03:19,201 INFO  L130     BoogieDeclarations]: Found specification of procedure kzalloc
[2020-09-24 20:03:19,202 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6
[2020-09-24 20:03:19,202 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7
[2020-09-24 20:03:19,202 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8
[2020-09-24 20:03:19,202 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11
[2020-09-24 20:03:19,202 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5
[2020-09-24 20:03:19,202 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_free
[2020-09-24 20:03:19,203 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-24 20:03:19,203 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2020-09-24 20:03:19,203 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 20:03:19,203 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2020-09-24 20:03:19,203 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-09-24 20:03:19,203 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-24 20:03:19,204 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-24 20:03:19,204 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2020-09-24 20:03:19,204 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_int
[2020-09-24 20:03:19,205 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ulong
[2020-09-24 20:03:19,205 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2020-09-24 20:03:19,205 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2020-09-24 20:03:19,206 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_trap
[2020-09-24 20:03:19,206 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_irq_1
[2020-09-24 20:03:19,207 INFO  L130     BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1
[2020-09-24 20:03:19,207 INFO  L130     BoogieDeclarations]: Found specification of procedure reg_check_1
[2020-09-24 20:03:19,207 INFO  L130     BoogieDeclarations]: Found specification of procedure choose_interrupt_1
[2020-09-24 20:03:19,208 INFO  L130     BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1
[2020-09-24 20:03:19,209 INFO  L130     BoogieDeclarations]: Found specification of procedure request_threaded_irq
[2020-09-24 20:03:19,212 INFO  L130     BoogieDeclarations]: Found specification of procedure request_irq
[2020-09-24 20:03:19,212 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_request_irq_12
[2020-09-24 20:03:19,213 INFO  L130     BoogieDeclarations]: Found specification of procedure free_irq
[2020-09-24 20:03:19,213 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_free_irq_13
[2020-09-24 20:03:19,213 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_free_irq_14
[2020-09-24 20:03:19,213 INFO  L130     BoogieDeclarations]: Found specification of procedure probe_irq_on
[2020-09-24 20:03:19,214 INFO  L130     BoogieDeclarations]: Found specification of procedure probe_irq_off
[2020-09-24 20:03:19,214 INFO  L130     BoogieDeclarations]: Found specification of procedure __const_udelay
[2020-09-24 20:03:19,214 INFO  L130     BoogieDeclarations]: Found specification of procedure netdev_priv
[2020-09-24 20:03:19,215 INFO  L130     BoogieDeclarations]: Found specification of procedure free_netdev
[2020-09-24 20:03:19,215 INFO  L130     BoogieDeclarations]: Found specification of procedure register_netdev
[2020-09-24 20:03:19,215 INFO  L130     BoogieDeclarations]: Found specification of procedure unregister_netdev
[2020-09-24 20:03:19,215 INFO  L130     BoogieDeclarations]: Found specification of procedure arcnet_interrupt
[2020-09-24 20:03:19,215 INFO  L130     BoogieDeclarations]: Found specification of procedure alloc_arcdev
[2020-09-24 20:03:19,216 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_found
[2020-09-24 20:03:19,224 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_command
[2020-09-24 20:03:19,224 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_status
[2020-09-24 20:03:19,224 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_setmask
[2020-09-24 20:03:19,224 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_reset
[2020-09-24 20:03:19,224 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card
[2020-09-24 20:03:19,224 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card
[2020-09-24 20:03:19,225 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_probe
[2020-09-24 20:03:19,225 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-24 20:03:19,226 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-24 20:03:19,226 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-24 20:03:19,226 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-24 20:03:19,226 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-24 20:03:19,226 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-24 20:03:19,226 INFO  L130     BoogieDeclarations]: Found specification of procedure check_mirror
[2020-09-24 20:03:19,227 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_init
[2020-09-24 20:03:19,227 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_exit
[2020-09-24 20:03:19,227 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2020-09-24 20:03:19,227 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2020-09-24 20:03:19,227 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-24 20:03:19,227 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_init
[2020-09-24 20:03:19,227 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_add
[2020-09-24 20:03:19,228 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_remove
[2020-09-24 20:03:19,228 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_contains
[2020-09-24 20:03:19,228 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_is_empty
[2020-09-24 20:03:19,228 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err
[2020-09-24 20:03:19,228 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_err_ptr
[2020-09-24 20:03:19,228 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_ptr_err
[2020-09-24 20:03:19,228 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null
[2020-09-24 20:03:19,229 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_alloc
[2020-09-24 20:03:19,229 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_free_int
[2020-09-24 20:03:19,229 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb
[2020-09-24 20:03:19,229 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb
[2020-09-24 20:03:19,229 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_current
[2020-09-24 20:03:19,229 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-24 20:03:19,230 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 20:03:19,230 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-24 20:03:19,230 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 20:03:19,230 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2020-09-24 20:03:19,230 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2020-09-24 20:03:19,230 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2020-09-24 20:03:19,230 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2020-09-24 20:03:19,986 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2020-09-24 20:03:21,681 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 20:03:21,682 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-24 20:03:21,693 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:03:21 BoogieIcfgContainer
[2020-09-24 20:03:21,693 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 20:03:21,695 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 20:03:21,695 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 20:03:21,699 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-24 20:03:21,699 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:03:16" (1/3) ...
[2020-09-24 20:03:21,700 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6293ca4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:03:21, skipping insertion in model container
[2020-09-24 20:03:21,701 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:18" (2/3) ...
[2020-09-24 20:03:21,701 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6293ca4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:03:21, skipping insertion in model container
[2020-09-24 20:03:21,701 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:03:21" (3/3) ...
[2020-09-24 20:03:21,704 INFO  L109   eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i
[2020-09-24 20:03:21,715 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 20:03:21,728 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 20:03:21,751 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 20:03:21,788 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-24 20:03:21,789 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-24 20:03:21,789 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 20:03:21,789 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 20:03:21,789 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 20:03:21,789 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-24 20:03:21,789 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 20:03:21,790 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 20:03:21,837 INFO  L276                IsEmpty]: Start isEmpty. Operand 1502 states.
[2020-09-24 20:03:21,862 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 317
[2020-09-24 20:03:21,862 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-24 20:03:21,864 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]
[2020-09-24 20:03:21,864 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 20:03:21,872 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 20:03:21,873 INFO  L82        PathProgramCache]: Analyzing trace with hash 1326592749, now seen corresponding path program 1 times
[2020-09-24 20:03:21,884 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 20:03:21,885 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534304700]
[2020-09-24 20:03:21,885 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 20:03:22,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:03:22,956 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:23,788 FATAL L256   erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 20:03:23,788 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 335
[2020-09-24 20:03:23,788 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 20:03:23,789 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1140
[2020-09-24 20:03:23,791 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 20:03:23,791 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 20:03:23,792 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 289
[2020-09-24 20:03:23,792 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-24 20:03:23,792 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-24 20:03:25,844 WARN  L193               SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 526
[2020-09-24 20:03:25,851 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 20:03:25,881 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:03:25,925 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:26,433 FATAL L256   erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 20:03:26,433 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 269
[2020-09-24 20:03:26,434 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 20:03:26,434 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 550
[2020-09-24 20:03:26,434 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 20:03:26,434 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 20:03:26,435 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 20:03:26,435 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 20:03:26,435 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 20:03:26,784 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267
[2020-09-24 20:03:26,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:03:26,796 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:26,827 FATAL L256   erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 20:03:26,828 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 16
[2020-09-24 20:03:26,828 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 20:03:26,828 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 39
[2020-09-24 20:03:26,829 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 20:03:26,829 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 20:03:26,829 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 20:03:26,830 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 20:03:26,830 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 20:03:26,839 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 20:03:26,840 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:03:26,849 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:26,879 FATAL L256   erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 20:03:26,879 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 20:03:26,879 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 20:03:26,880 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 37
[2020-09-24 20:03:26,880 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 20:03:26,880 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 20:03:26,881 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 20:03:26,881 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 20:03:26,882 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 20:03:26,927 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293
[2020-09-24 20:03:26,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:03:26,939 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:26,967 FATAL L256   erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 20:03:26,967 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-24 20:03:26,968 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 20:03:26,968 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 37
[2020-09-24 20:03:26,968 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 20:03:26,968 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 20:03:26,969 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 11
[2020-09-24 20:03:26,969 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 20:03:26,969 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 20:03:26,982 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305
[2020-09-24 20:03:26,984 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:03:26,994 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:27,027 FATAL L256   erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 20:03:27,027 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 20:03:27,028 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 20:03:27,028 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 42
[2020-09-24 20:03:27,028 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 20:03:27,029 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 20:03:27,029 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 7
[2020-09-24 20:03:27,030 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 20:03:27,030 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 20:03:27,378 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 20:03:27,379 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [534304700]
[2020-09-24 20:03:27,381 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 20:03:27,382 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-24 20:03:27,383 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72827187]
[2020-09-24 20:03:27,390 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-24 20:03:27,390 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 20:03:27,411 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-24 20:03:27,412 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-24 20:03:27,416 INFO  L87              Difference]: Start difference. First operand 1502 states. Second operand 6 states.
[2020-09-24 20:03:30,794 WARN  L193               SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 528
[2020-09-24 20:03:44,263 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 20:03:44,264 INFO  L93              Difference]: Finished difference Result 3058 states and 3708 transitions.
[2020-09-24 20:03:44,264 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-24 20:03:44,266 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 316
[2020-09-24 20:03:44,268 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 20:03:44,302 INFO  L225             Difference]: With dead ends: 3058
[2020-09-24 20:03:44,303 INFO  L226             Difference]: Without dead ends: 1953
[2020-09-24 20:03:44,314 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110
[2020-09-24 20:03:44,338 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1953 states.
[2020-09-24 20:03:44,568 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1466.
[2020-09-24 20:03:44,570 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1466 states.
[2020-09-24 20:03:44,580 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 1690 transitions.
[2020-09-24 20:03:44,583 INFO  L78                 Accepts]: Start accepts. Automaton has 1466 states and 1690 transitions. Word has length 316
[2020-09-24 20:03:44,585 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-24 20:03:44,585 INFO  L479      AbstractCegarLoop]: Abstraction has 1466 states and 1690 transitions.
[2020-09-24 20:03:44,585 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-24 20:03:44,585 INFO  L276                IsEmpty]: Start isEmpty. Operand 1466 states and 1690 transitions.
[2020-09-24 20:03:44,595 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 384
[2020-09-24 20:03:44,596 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-24 20:03:44,596 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]
[2020-09-24 20:03:44,597 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 20:03:44,597 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 20:03:44,597 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 20:03:44,598 INFO  L82        PathProgramCache]: Analyzing trace with hash 1550398358, now seen corresponding path program 1 times
[2020-09-24 20:03:44,598 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 20:03:44,598 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1185008838]
[2020-09-24 20:03:44,599 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 20:03:44,791 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:03:45,036 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:45,392 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:45,868 FATAL L256   erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 20:03:45,868 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 404
[2020-09-24 20:03:45,868 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 20:03:45,869 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1048
[2020-09-24 20:03:45,870 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 20:03:45,871 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 20:03:45,871 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 367
[2020-09-24 20:03:45,873 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-24 20:03:45,873 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-24 20:03:47,724 WARN  L193               SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 526
[2020-09-24 20:03:47,726 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 20:03:47,748 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:03:47,785 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:48,255 FATAL L256   erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 20:03:48,255 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 269
[2020-09-24 20:03:48,256 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 20:03:48,256 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 505
[2020-09-24 20:03:48,256 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 20:03:48,257 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 20:03:48,257 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 20:03:48,257 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 20:03:48,257 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 20:03:48,462 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267
[2020-09-24 20:03:48,464 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:03:48,471 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:48,494 FATAL L256   erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 20:03:48,494 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 16
[2020-09-24 20:03:48,494 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 20:03:48,495 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 29
[2020-09-24 20:03:48,495 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 20:03:48,495 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 20:03:48,495 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 20:03:48,496 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 20:03:48,496 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 20:03:48,503 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 20:03:48,504 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:03:48,510 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:48,532 FATAL L256   erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 20:03:48,533 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 20:03:48,533 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 20:03:48,533 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 27
[2020-09-24 20:03:48,533 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 20:03:48,534 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 20:03:48,534 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 20:03:48,534 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 20:03:48,534 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 20:03:48,615 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2020-09-24 20:03:48,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:03:48,672 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:48,725 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:49,010 FATAL L256   erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 20:03:49,010 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 76
[2020-09-24 20:03:49,011 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 20:03:49,011 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 371
[2020-09-24 20:03:49,011 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 20:03:49,011 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 20:03:49,011 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 61
[2020-09-24 20:03:49,012 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-24 20:03:49,012 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 20:03:49,100 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-24 20:03:49,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:03:49,133 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:49,165 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:49,344 FATAL L256   erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 20:03:49,345 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 68
[2020-09-24 20:03:49,345 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 20:03:49,346 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 230
[2020-09-24 20:03:49,346 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 20:03:49,346 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 20:03:49,347 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 53
[2020-09-24 20:03:49,347 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-24 20:03:49,347 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 20:03:49,518 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372
[2020-09-24 20:03:49,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:03:49,530 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:03:49,550 FATAL L256   erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 20:03:49,550 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 20:03:49,551 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 20:03:49,551 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 26
[2020-09-24 20:03:49,551 FATAL L256   erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 20:03:49,551 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 20:03:49,552 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 7
[2020-09-24 20:03:49,552 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 20:03:49,552 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 20:03:49,779 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 20:03:49,780 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1185008838]
[2020-09-24 20:03:49,782 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 20:03:49,783 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-24 20:03:49,783 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063589490]
[2020-09-24 20:03:49,786 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-24 20:03:49,786 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 20:03:49,786 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-24 20:03:49,787 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-09-24 20:03:49,787 INFO  L87              Difference]: Start difference. First operand 1466 states and 1690 transitions. Second operand 7 states.
[2020-09-24 20:03:51,411 WARN  L193               SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 529
[2020-09-24 20:04:08,530 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 20:04:08,530 INFO  L93              Difference]: Finished difference Result 2849 states and 3367 transitions.
[2020-09-24 20:04:08,530 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-09-24 20:04:08,531 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 383
[2020-09-24 20:04:08,533 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 20:04:08,543 INFO  L225             Difference]: With dead ends: 2849
[2020-09-24 20:04:08,543 INFO  L226             Difference]: Without dead ends: 1662
[2020-09-24 20:04:08,549 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110
[2020-09-24 20:04:08,552 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1662 states.
[2020-09-24 20:04:08,723 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1468.
[2020-09-24 20:04:08,723 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1468 states.
[2020-09-24 20:04:08,728 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 1692 transitions.
[2020-09-24 20:04:08,728 INFO  L78                 Accepts]: Start accepts. Automaton has 1468 states and 1692 transitions. Word has length 383
[2020-09-24 20:04:08,729 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-24 20:04:08,729 INFO  L479      AbstractCegarLoop]: Abstraction has 1468 states and 1692 transitions.
[2020-09-24 20:04:08,730 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-24 20:04:08,730 INFO  L276                IsEmpty]: Start isEmpty. Operand 1468 states and 1692 transitions.
[2020-09-24 20:04:08,736 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 388
[2020-09-24 20:04:08,737 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-24 20:04:08,737 INFO  L422         BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:04:08,738 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 20:04:08,738 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 20:04:08,738 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 20:04:08,738 INFO  L82        PathProgramCache]: Analyzing trace with hash 642965980, now seen corresponding path program 1 times
[2020-09-24 20:04:08,738 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 20:04:08,739 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [430944487]
[2020-09-24 20:04:08,739 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 20:04:08,950 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:04:09,184 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:04:09,739 FATAL L256   erpolLogProxyWrapper]: Now shrinking...