/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 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--usb--cdc_eem.ko-entry_point.cil.out.i


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


This is Ultimate 0.1.25-c90d42b
[2020-09-24 17:50:51,998 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-24 17:50:52,001 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 17:50:52,033 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 17:50:52,034 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 17:50:52,035 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 17:50:52,037 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 17:50:52,048 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 17:50:52,050 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 17:50:52,051 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 17:50:52,053 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 17:50:52,054 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 17:50:52,054 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 17:50:52,057 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 17:50:52,058 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 17:50:52,061 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 17:50:52,063 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 17:50:52,064 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 17:50:52,066 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 17:50:52,073 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 17:50:52,076 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 17:50:52,077 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 17:50:52,079 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 17:50:52,080 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 17:50:52,091 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 17:50:52,091 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 17:50:52,091 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 17:50:52,095 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 17:50:52,095 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 17:50:52,096 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 17:50:52,096 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 17:50:52,099 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 17:50:52,100 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 17:50:52,101 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 17:50:52,102 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 17:50:52,102 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 17:50:52,103 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 17:50:52,104 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 17:50:52,104 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 17:50:52,105 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 17:50:52,106 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 17:50:52,107 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 17:50:52,152 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-24 17:50:52,152 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 17:50:52,154 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 17:50:52,154 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-24 17:50:52,155 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-24 17:50:52,155 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 17:50:52,155 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-24 17:50:52,156 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-24 17:50:52,156 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 17:50:52,156 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 17:50:52,157 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 17:50:52,157 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-24 17:50:52,157 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-24 17:50:52,158 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-24 17:50:52,158 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 17:50:52,158 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-24 17:50:52,159 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-24 17:50:52,159 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-24 17:50:52,159 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 17:50:52,159 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 17:50:52,159 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 17:50:52,160 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 17:50:52,160 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-24 17:50:52,160 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 17:50:52,160 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 17:50:52,160 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-24 17:50:52,161 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2020-09-24 17:50:52,161 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;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;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;log-additional-information=true;
[2020-09-24 17:50:52,624 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 17:50:52,650 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 17:50:52,662 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 17:50:52,664 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-24 17:50:52,664 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-24 17:50:52,665 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i
[2020-09-24 17:50:52,727 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e2dd46d0/6560cd4d099946638368dd3982c9e2a0/FLAG32aaeb4e2
[2020-09-24 17:50:53,581 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-24 17:50:53,582 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i
[2020-09-24 17:50:53,630 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e2dd46d0/6560cd4d099946638368dd3982c9e2a0/FLAG32aaeb4e2
[2020-09-24 17:50:54,086 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e2dd46d0/6560cd4d099946638368dd3982c9e2a0
[2020-09-24 17:50:54,100 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 17:50:54,105 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 17:50:54,107 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 17:50:54,107 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 17:50:54,111 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 17:50:54,112 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:50:54" (1/1) ...
[2020-09-24 17:50:54,116 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b1a96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:54, skipping insertion in model container
[2020-09-24 17:50:54,116 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:50:54" (1/1) ...
[2020-09-24 17:50:54,125 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-24 17:50:54,228 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-24 17:50:55,592 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-24 17:50:55,629 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-24 17:50:55,865 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-24 17:50:56,018 INFO  L208         MainTranslator]: Completed translation
[2020-09-24 17:50:56,019 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:56 WrapperNode
[2020-09-24 17:50:56,019 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 17:50:56,021 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 17:50:56,021 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 17:50:56,021 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 17:50:56,048 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:56" (1/1) ...
[2020-09-24 17:50:56,048 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:56" (1/1) ...
[2020-09-24 17:50:56,140 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:56" (1/1) ...
[2020-09-24 17:50:56,141 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:56" (1/1) ...
[2020-09-24 17:50:56,243 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:56" (1/1) ...
[2020-09-24 17:50:56,258 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:56" (1/1) ...
[2020-09-24 17:50:56,272 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:56" (1/1) ...
[2020-09-24 17:50:56,291 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 17:50:56,292 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 17:50:56,292 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 17:50:56,292 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-24 17:50:56,293 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:56" (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 17:50:56,412 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 17:50:56,412 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 17:50:56,413 INFO  L138     BoogieDeclarations]: Found implementation of procedure __arch_swab32
[2020-09-24 17:50:56,413 INFO  L138     BoogieDeclarations]: Found implementation of procedure __fswab32
[2020-09-24 17:50:56,413 INFO  L138     BoogieDeclarations]: Found implementation of procedure __swab32p
[2020-09-24 17:50:56,414 INFO  L138     BoogieDeclarations]: Found implementation of procedure __le32_to_cpup
[2020-09-24 17:50:56,414 INFO  L138     BoogieDeclarations]: Found implementation of procedure __le16_to_cpup
[2020-09-24 17:50:56,414 INFO  L138     BoogieDeclarations]: Found implementation of procedure __be32_to_cpup
[2020-09-24 17:50:56,415 INFO  L138     BoogieDeclarations]: Found implementation of procedure atomic_read
[2020-09-24 17:50:56,415 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_set_drvdata
[2020-09-24 17:50:56,415 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_end_pointer
[2020-09-24 17:50:56,415 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_cloned
[2020-09-24 17:50:56,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear
[2020-09-24 17:50:56,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer
[2020-09-24 17:50:56,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer
[2020-09-24 17:50:56,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_headroom
[2020-09-24 17:50:56,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_tailroom
[2020-09-24 17:50:56,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-24 17:50:56,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2020-09-24 17:50:56,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2020-09-24 17:50:56,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_int
[2020-09-24 17:50:56,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong
[2020-09-24 17:50:56,418 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2020-09-24 17:50:56,418 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2020-09-24 17:50:56,418 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2020-09-24 17:50:56,419 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap
[2020-09-24 17:50:56,419 INFO  L138     BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any
[2020-09-24 17:50:56,419 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_unaligned_le16
[2020-09-24 17:50:56,419 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_unaligned_le32
[2020-09-24 17:50:56,419 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_unaligned_be32
[2020-09-24 17:50:56,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure put_unaligned_le16
[2020-09-24 17:50:56,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure put_unaligned_le32
[2020-09-24 17:50:56,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_set_intfdata
[2020-09-24 17:50:56,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb
[2020-09-24 17:50:56,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure driver_of
[2020-09-24 17:50:56,421 INFO  L138     BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete
[2020-09-24 17:50:56,421 INFO  L138     BoogieDeclarations]: Found implementation of procedure eem_linkcmd
[2020-09-24 17:50:56,421 INFO  L138     BoogieDeclarations]: Found implementation of procedure eem_bind
[2020-09-24 17:50:56,421 INFO  L138     BoogieDeclarations]: Found implementation of procedure eem_tx_fixup
[2020-09-24 17:50:56,421 INFO  L138     BoogieDeclarations]: Found implementation of procedure eem_rx_fixup
[2020-09-24 17:50:56,421 INFO  L138     BoogieDeclarations]: Found implementation of procedure eem_driver_init
[2020-09-24 17:50:56,422 INFO  L138     BoogieDeclarations]: Found implementation of procedure eem_driver_exit
[2020-09-24 17:50:56,422 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2
[2020-09-24 17:50:56,422 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1
[2020-09-24 17:50:56,422 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 17:50:56,422 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5
[2020-09-24 17:50:56,423 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6
[2020-09-24 17:50:56,423 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7
[2020-09-24 17:50:56,423 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8
[2020-09-24 17:50:56,423 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11
[2020-09-24 17:50:56,423 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12
[2020-09-24 17:50:56,423 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13
[2020-09-24 17:50:56,424 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_init
[2020-09-24 17:50:56,424 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_add
[2020-09-24 17:50:56,424 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_remove
[2020-09-24 17:50:56,424 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_contains
[2020-09-24 17:50:56,425 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty
[2020-09-24 17:50:56,425 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err
[2020-09-24 17:50:56,425 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_err_ptr
[2020-09-24 17:50:56,425 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_ptr_err
[2020-09-24 17:50:56,425 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null
[2020-09-24 17:50:56,425 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc
[2020-09-24 17:50:56,426 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2020-09-24 17:50:56,426 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_free
[2020-09-24 17:50:56,426 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int
[2020-09-24 17:50:56,426 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb
[2020-09-24 17:50:56,426 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb
[2020-09-24 17:50:56,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_skb_current
[2020-09-24 17:50:56,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2020-09-24 17:50:56,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any
[2020-09-24 17:50:56,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg
[2020-09-24 17:50:56,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure crc32_le
[2020-09-24 17:50:56,427 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_release_2
[2020-09-24 17:50:56,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1
[2020-09-24 17:50:56,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure netdev_warn
[2020-09-24 17:50:56,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_clone
[2020-09-24 17:50:56,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_copy_expand
[2020-09-24 17:50:56,428 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_pull
[2020-09-24 17:50:56,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_push
[2020-09-24 17:50:56,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_put
[2020-09-24 17:50:56,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure skb_trim
[2020-09-24 17:50:56,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_alloc_urb
[2020-09-24 17:50:56,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_deregister
[2020-09-24 17:50:56,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface
[2020-09-24 17:50:56,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_free_urb
[2020-09-24 17:50:56,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_register_driver
[2020-09-24 17:50:56,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure usb_submit_urb
[2020-09-24 17:50:56,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle
[2020-09-24 17:50:56,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_disconnect
[2020-09-24 17:50:56,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints
[2020-09-24 17:50:56,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_probe
[2020-09-24 17:50:56,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_resume
[2020-09-24 17:50:56,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_skb_return
[2020-09-24 17:50:56,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure usbnet_suspend
[2020-09-24 17:50:56,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2020-09-24 17:50:56,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2020-09-24 17:50:56,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2020-09-24 17:50:56,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove
[2020-09-24 17:50:56,433 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 17:50:56,433 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2020-09-24 17:50:56,433 INFO  L130     BoogieDeclarations]: Found specification of procedure __arch_swab32
[2020-09-24 17:50:56,433 INFO  L130     BoogieDeclarations]: Found specification of procedure __fswab32
[2020-09-24 17:50:56,433 INFO  L130     BoogieDeclarations]: Found specification of procedure __swab32p
[2020-09-24 17:50:56,433 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-24 17:50:56,434 INFO  L130     BoogieDeclarations]: Found specification of procedure __le32_to_cpup
[2020-09-24 17:50:56,434 INFO  L130     BoogieDeclarations]: Found specification of procedure __le16_to_cpup
[2020-09-24 17:50:56,434 INFO  L130     BoogieDeclarations]: Found specification of procedure __be32_to_cpup
[2020-09-24 17:50:56,434 INFO  L130     BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg
[2020-09-24 17:50:56,434 INFO  L130     BoogieDeclarations]: Found specification of procedure memset
[2020-09-24 17:50:56,435 INFO  L130     BoogieDeclarations]: Found specification of procedure memmove
[2020-09-24 17:50:56,435 INFO  L130     BoogieDeclarations]: Found specification of procedure atomic_read
[2020-09-24 17:50:56,435 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_set_drvdata
[2020-09-24 17:50:56,435 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-24 17:50:56,435 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6
[2020-09-24 17:50:56,435 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7
[2020-09-24 17:50:56,436 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8
[2020-09-24 17:50:56,436 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11
[2020-09-24 17:50:56,436 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5
[2020-09-24 17:50:56,436 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_clone
[2020-09-24 17:50:56,436 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_copy_expand
[2020-09-24 17:50:56,437 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_end_pointer
[2020-09-24 17:50:56,437 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-24 17:50:56,437 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_cloned
[2020-09-24 17:50:56,437 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_is_nonlinear
[2020-09-24 17:50:56,437 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer
[2020-09-24 17:50:56,438 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-24 17:50:56,438 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer
[2020-09-24 17:50:56,438 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_put
[2020-09-24 17:50:56,438 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_push
[2020-09-24 17:50:56,438 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_pull
[2020-09-24 17:50:56,438 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_headroom
[2020-09-24 17:50:56,439 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_tailroom
[2020-09-24 17:50:56,439 INFO  L130     BoogieDeclarations]: Found specification of procedure skb_trim
[2020-09-24 17:50:56,439 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_free
[2020-09-24 17:50:56,439 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-24 17:50:56,440 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2020-09-24 17:50:56,440 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 17:50:56,440 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2020-09-24 17:50:56,440 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-09-24 17:50:56,440 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-24 17:50:56,440 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2020-09-24 17:50:56,441 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-24 17:50:56,441 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2020-09-24 17:50:56,441 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2020-09-24 17:50:56,441 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_int
[2020-09-24 17:50:56,441 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ulong
[2020-09-24 17:50:56,442 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2020-09-24 17:50:56,442 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2020-09-24 17:50:56,442 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv__builtin_trap
[2020-09-24 17:50:56,442 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2
[2020-09-24 17:50:56,442 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1
[2020-09-24 17:50:56,443 INFO  L130     BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any
[2020-09-24 17:50:56,443 INFO  L130     BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any
[2020-09-24 17:50:56,443 INFO  L130     BoogieDeclarations]: Found specification of procedure netdev_warn
[2020-09-24 17:50:56,443 INFO  L130     BoogieDeclarations]: Found specification of procedure get_unaligned_le16
[2020-09-24 17:50:56,443 INFO  L130     BoogieDeclarations]: Found specification of procedure get_unaligned_le32
[2020-09-24 17:50:56,443 INFO  L130     BoogieDeclarations]: Found specification of procedure get_unaligned_be32
[2020-09-24 17:50:56,444 INFO  L130     BoogieDeclarations]: Found specification of procedure put_unaligned_le16
[2020-09-24 17:50:56,444 INFO  L130     BoogieDeclarations]: Found specification of procedure put_unaligned_le32
[2020-09-24 17:50:56,444 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_set_intfdata
[2020-09-24 17:50:56,444 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_driver_release_interface
[2020-09-24 17:50:56,444 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_register_driver
[2020-09-24 17:50:56,444 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12
[2020-09-24 17:50:56,445 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_deregister
[2020-09-24 17:50:56,445 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13
[2020-09-24 17:50:56,445 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb
[2020-09-24 17:50:56,445 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_alloc_urb
[2020-09-24 17:50:56,445 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_free_urb
[2020-09-24 17:50:56,445 INFO  L130     BoogieDeclarations]: Found specification of procedure usb_submit_urb
[2020-09-24 17:50:56,446 INFO  L130     BoogieDeclarations]: Found specification of procedure crc32_le
[2020-09-24 17:50:56,446 INFO  L130     BoogieDeclarations]: Found specification of procedure driver_of
[2020-09-24 17:50:56,446 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_probe
[2020-09-24 17:50:56,446 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_suspend
[2020-09-24 17:50:56,446 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_resume
[2020-09-24 17:50:56,447 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_disconnect
[2020-09-24 17:50:56,447 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle
[2020-09-24 17:50:56,447 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints
[2020-09-24 17:50:56,447 INFO  L130     BoogieDeclarations]: Found specification of procedure usbnet_skb_return
[2020-09-24 17:50:56,447 INFO  L130     BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete
[2020-09-24 17:50:56,447 INFO  L130     BoogieDeclarations]: Found specification of procedure eem_linkcmd
[2020-09-24 17:50:56,448 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-24 17:50:56,448 INFO  L130     BoogieDeclarations]: Found specification of procedure eem_bind
[2020-09-24 17:50:56,448 INFO  L130     BoogieDeclarations]: Found specification of procedure eem_tx_fixup
[2020-09-24 17:50:56,448 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove
[2020-09-24 17:50:56,448 INFO  L130     BoogieDeclarations]: Found specification of procedure eem_rx_fixup
[2020-09-24 17:50:56,449 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-24 17:50:56,449 INFO  L130     BoogieDeclarations]: Found specification of procedure eem_driver_init
[2020-09-24 17:50:56,449 INFO  L130     BoogieDeclarations]: Found specification of procedure eem_driver_exit
[2020-09-24 17:50:56,449 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1
[2020-09-24 17:50:56,449 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_release_2
[2020-09-24 17:50:56,449 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2020-09-24 17:50:56,450 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2020-09-24 17:50:56,450 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-24 17:50:56,450 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2020-09-24 17:50:56,450 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_init
[2020-09-24 17:50:56,450 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_add
[2020-09-24 17:50:56,450 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_remove
[2020-09-24 17:50:56,451 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_contains
[2020-09-24 17:50:56,451 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_set_is_empty
[2020-09-24 17:50:56,451 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err
[2020-09-24 17:50:56,451 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_err_ptr
[2020-09-24 17:50:56,451 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_ptr_err
[2020-09-24 17:50:56,451 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null
[2020-09-24 17:50:56,452 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_alloc
[2020-09-24 17:50:56,452 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_free_int
[2020-09-24 17:50:56,452 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb
[2020-09-24 17:50:56,452 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb
[2020-09-24 17:50:56,452 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_skb_current
[2020-09-24 17:50:56,453 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2020-09-24 17:50:56,453 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-24 17:50:56,453 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2020-09-24 17:50:56,453 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 17:50:56,453 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2020-09-24 17:50:56,453 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-24 17:50:56,454 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2020-09-24 17:50:56,454 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 17:50:56,454 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2020-09-24 17:50:56,454 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2020-09-24 17:50:56,454 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2020-09-24 17:50:57,179 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2020-09-24 17:50:58,550 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 17:50:58,550 INFO  L295             CfgBuilder]: Removed 4 assume(true) statements.
[2020-09-24 17:50:58,567 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:50:58 BoogieIcfgContainer
[2020-09-24 17:50:58,567 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 17:50:58,568 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 17:50:58,568 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 17:50:58,574 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-24 17:50:58,574 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:50:54" (1/3) ...
[2020-09-24 17:50:58,575 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49387173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:50:58, skipping insertion in model container
[2020-09-24 17:50:58,575 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:56" (2/3) ...
[2020-09-24 17:50:58,575 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49387173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:50:58, skipping insertion in model container
[2020-09-24 17:50:58,576 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:50:58" (3/3) ...
[2020-09-24 17:50:58,580 INFO  L109   eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i
[2020-09-24 17:50:58,591 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 17:50:58,603 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 17:50:58,625 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 17:50:58,661 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-24 17:50:58,662 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-24 17:50:58,662 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 17:50:58,662 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 17:50:58,662 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 17:50:58,662 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-24 17:50:58,662 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 17:50:58,663 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 17:50:58,705 INFO  L276                IsEmpty]: Start isEmpty. Operand 1198 states.
[2020-09-24 17:50:58,728 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 231
[2020-09-24 17:50:58,728 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-24 17:50:58,729 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:50:58,730 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 17:50:58,737 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 17:50:58,738 INFO  L82        PathProgramCache]: Analyzing trace with hash -410682460, now seen corresponding path program 1 times
[2020-09-24 17:50:58,749 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 17:50:58,749 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [323114322]
[2020-09-24 17:50:58,750 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 17:50:59,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 17:50:59,601 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:50:59,918 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:00,556 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:03,204 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:13,017 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 17:51:13,024 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 261
[2020-09-24 17:51:13,025 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-24 17:51:13,025 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 13653
[2020-09-24 17:51:13,027 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 17:51:13,027 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-24 17:51:13,028 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 184
[2020-09-24 17:51:13,028 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 73
[2020-09-24 17:51:13,028 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-24 17:51:13,655 WARN  L193               SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-09-24 17:51:13,657 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 17:51:13,676 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 17:51:13,704 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:13,888 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 17:51:13,889 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 129
[2020-09-24 17:51:13,889 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 17:51:13,889 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 211
[2020-09-24 17:51:13,889 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 17:51:13,890 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 17:51:13,890 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 17:51:13,890 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 17:51:13,890 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 17:51:14,018 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-24 17:51:14,020 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 17:51:14,038 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:14,077 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 17:51:14,078 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-24 17:51:14,078 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 17:51:14,078 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 53
[2020-09-24 17:51:14,079 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 17:51:14,081 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 17:51:14,081 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 17:51:14,082 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 17:51:14,082 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-24 17:51:14,104 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-09-24 17:51:14,107 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 17:51:14,119 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:14,136 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 17:51:14,136 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-24 17:51:14,137 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 17:51:14,137 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 28
[2020-09-24 17:51:14,137 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 17:51:14,138 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 17:51:14,138 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 17:51:14,138 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 17:51:14,139 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 17:51:14,186 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165
[2020-09-24 17:51:14,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 17:51:14,208 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:14,277 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 17:51:14,277 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 16
[2020-09-24 17:51:14,277 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 17:51:14,277 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 82
[2020-09-24 17:51:14,278 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 17:51:14,278 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 17:51:14,278 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 17:51:14,278 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-24 17:51:14,278 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 17:51:14,291 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 17:51:14,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 17:51:14,305 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:14,341 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 17:51:14,341 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 17:51:14,341 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 17:51:14,341 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 45
[2020-09-24 17:51:14,342 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 17:51:14,342 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 17:51:14,342 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 17:51:14,342 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-24 17:51:14,342 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 17:51:14,379 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174
[2020-09-24 17:51:14,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 17:51:14,392 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:14,419 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:14,513 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 17:51:14,513 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 17:51:14,513 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 17:51:14,514 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 129
[2020-09-24 17:51:14,514 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 17:51:14,514 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-24 17:51:14,514 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 3
[2020-09-24 17:51:14,514 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 17:51:14,515 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 17:51:14,557 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180
[2020-09-24 17:51:14,560 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 17:51:14,568 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:14,584 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:14,670 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 17:51:14,671 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 17:51:14,671 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 17:51:14,671 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 109
[2020-09-24 17:51:14,671 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 17:51:14,671 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-24 17:51:14,672 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 3
[2020-09-24 17:51:14,672 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 17:51:14,672 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 17:51:14,704 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204
[2020-09-24 17:51:14,708 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 17:51:14,718 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:14,756 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 17:51:14,757 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 21
[2020-09-24 17:51:14,757 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 17:51:14,757 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 47
[2020-09-24 17:51:14,757 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 17:51:14,758 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 17:51:14,758 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 17:51:14,758 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 17
[2020-09-24 17:51:14,758 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 17:51:14,771 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 17:51:14,772 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 17:51:14,780 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:14,789 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 17:51:14,789 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 16
[2020-09-24 17:51:14,789 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 17:51:14,789 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 15
[2020-09-24 17:51:14,790 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 17:51:14,790 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 17:51:14,790 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 17:51:14,790 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 17:51:14,790 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 17:51:14,805 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-24 17:51:14,806 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 17:51:14,814 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:14,829 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 17:51:14,830 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-24 17:51:14,830 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 17:51:14,830 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 23
[2020-09-24 17:51:14,830 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 17:51:14,831 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 17:51:14,831 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 17:51:14,831 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 17:51:14,831 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 17:51:14,843 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219
[2020-09-24 17:51:14,847 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 17:51:14,856 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:14,927 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 17:51:14,928 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 17:51:14,928 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 17:51:14,928 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 79
[2020-09-24 17:51:14,929 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 17:51:14,929 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 17:51:14,929 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 17:51:14,929 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 17:51:14,930 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 17:51:15,038 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2020-09-24 17:51:15,039 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [323114322]
[2020-09-24 17:51:15,041 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 17:51:15,042 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2020-09-24 17:51:15,043 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657157984]
[2020-09-24 17:51:15,049 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 13 states
[2020-09-24 17:51:15,049 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 17:51:15,066 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2020-09-24 17:51:15,067 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156
[2020-09-24 17:51:15,069 INFO  L87              Difference]: Start difference. First operand 1198 states. Second operand 13 states.
[2020-09-24 17:51:15,908 WARN  L193               SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 210
[2020-09-24 17:51:16,871 WARN  L193               SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 212
[2020-09-24 17:51:17,253 WARN  L193               SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 214
[2020-09-24 17:51:19,192 WARN  L193               SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213
[2020-09-24 17:51:19,669 WARN  L193               SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 213
[2020-09-24 17:51:20,086 WARN  L193               SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 216
[2020-09-24 17:51:20,485 WARN  L193               SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 213
[2020-09-24 17:51:29,893 WARN  L193               SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 215
[2020-09-24 17:51:30,433 WARN  L193               SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 212
[2020-09-24 17:51:36,324 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 17:51:36,325 INFO  L93              Difference]: Finished difference Result 3807 states and 4454 transitions.
[2020-09-24 17:51:36,326 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2020-09-24 17:51:36,327 INFO  L78                 Accepts]: Start accepts. Automaton has 13 states. Word has length 230
[2020-09-24 17:51:36,328 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 17:51:36,375 INFO  L225             Difference]: With dead ends: 3807
[2020-09-24 17:51:36,375 INFO  L226             Difference]: Without dead ends: 2739
[2020-09-24 17:51:36,390 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=359, Invalid=1047, Unknown=0, NotChecked=0, Total=1406
[2020-09-24 17:51:36,416 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2739 states.
[2020-09-24 17:51:36,687 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 2217.
[2020-09-24 17:51:36,689 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2217 states.
[2020-09-24 17:51:36,702 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 2217 states and 2470 transitions.
[2020-09-24 17:51:36,704 INFO  L78                 Accepts]: Start accepts. Automaton has 2217 states and 2470 transitions. Word has length 230
[2020-09-24 17:51:36,706 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-24 17:51:36,706 INFO  L479      AbstractCegarLoop]: Abstraction has 2217 states and 2470 transitions.
[2020-09-24 17:51:36,706 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 13 states.
[2020-09-24 17:51:36,706 INFO  L276                IsEmpty]: Start isEmpty. Operand 2217 states and 2470 transitions.
[2020-09-24 17:51:36,724 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 472
[2020-09-24 17:51:36,724 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-24 17:51:36,725 INFO  L422         BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:51:36,725 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 17:51:36,726 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 17:51:36,726 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 17:51:36,726 INFO  L82        PathProgramCache]: Analyzing trace with hash 1173982664, now seen corresponding path program 1 times
[2020-09-24 17:51:36,726 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 17:51:36,727 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233910861]
[2020-09-24 17:51:36,727 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 17:51:36,847 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 17:51:36,996 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:37,211 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:37,483 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:51:37,763 FATAL L256   erpolLogProxyWrapper]: Now shrinking...