/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --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 21:11:40,635 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 21:11:40,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 21:11:40,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 21:11:40,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 21:11:40,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 21:11:40,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 21:11:40,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 21:11:40,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 21:11:40,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 21:11:40,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 21:11:40,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 21:11:40,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 21:11:40,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 21:11:40,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 21:11:40,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 21:11:40,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 21:11:40,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 21:11:40,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 21:11:40,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 21:11:40,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 21:11:40,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 21:11:40,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 21:11:40,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 21:11:40,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 21:11:40,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 21:11:40,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 21:11:40,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 21:11:40,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 21:11:40,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 21:11:40,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 21:11:40,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 21:11:40,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 21:11:40,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 21:11:40,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 21:11:40,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 21:11:40,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 21:11:40,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 21:11:40,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 21:11:40,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 21:11:40,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 21:11:40,708 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 21:11:40,755 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 21:11:40,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 21:11:40,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 21:11:40,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 21:11:40,757 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 21:11:40,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 21:11:40,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 21:11:40,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 21:11:40,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 21:11:40,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 21:11:40,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 21:11:40,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 21:11:40,760 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 21:11:40,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 21:11:40,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 21:11:40,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 21:11:40,761 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 21:11:40,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 21:11:40,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 21:11:40,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 21:11:40,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 21:11:40,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 21:11:40,762 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 21:11:40,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 21:11:40,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 21:11:40,763 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 21:11:40,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-09-24 21:11:40,763 INFO L138 SettingsManager]: * To the following directory=dump/
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;
[2020-09-24 21:11:41,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 21:11:41,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 21:11:41,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 21:11:41,244 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 21:11:41,244 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 21:11:41,246 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i
[2020-09-24 21:11:41,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/003c342f9/3ec844192378493e929f02156e5a02cf/FLAG027e20459
[2020-09-24 21:11:42,118 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 21:11:42,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i
[2020-09-24 21:11:42,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/003c342f9/3ec844192378493e929f02156e5a02cf/FLAG027e20459
[2020-09-24 21:11:42,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/003c342f9/3ec844192378493e929f02156e5a02cf
[2020-09-24 21:11:42,220 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 21:11:42,226 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 21:11:42,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 21:11:42,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 21:11:42,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 21:11:42,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:11:42" (1/1) ...
[2020-09-24 21:11:42,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7834ca3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:42, skipping insertion in model container
[2020-09-24 21:11:42,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:11:42" (1/1) ...
[2020-09-24 21:11:42,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 21:11:42,344 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 21:11:43,975 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 21:11:44,003 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 21:11:44,173 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 21:11:44,263 INFO L208 MainTranslator]: Completed translation
[2020-09-24 21:11:44,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:44 WrapperNode
[2020-09-24 21:11:44,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 21:11:44,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 21:11:44,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 21:11:44,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 21:11:44,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:44" (1/1) ...
[2020-09-24 21:11:44,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:44" (1/1) ...
[2020-09-24 21:11:44,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:44" (1/1) ...
[2020-09-24 21:11:44,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:44" (1/1) ...
[2020-09-24 21:11:44,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:44" (1/1) ...
[2020-09-24 21:11:44,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:44" (1/1) ...
[2020-09-24 21:11:44,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:44" (1/1) ...
[2020-09-24 21:11:44,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 21:11:44,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 21:11:44,444 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 21:11:44,445 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 21:11:44,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:44" (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 21:11:44,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 21:11:44,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 21:11:44,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32
[2020-09-24 21:11:44,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32
[2020-09-24 21:11:44,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p
[2020-09-24 21:11:44,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup
[2020-09-24 21:11:44,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup
[2020-09-24 21:11:44,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup
[2020-09-24 21:11:44,576 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read
[2020-09-24 21:11:44,576 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata
[2020-09-24 21:11:44,577 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer
[2020-09-24 21:11:44,577 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned
[2020-09-24 21:11:44,577 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear
[2020-09-24 21:11:44,577 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer
[2020-09-24 21:11:44,578 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer
[2020-09-24 21:11:44,578 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom
[2020-09-24 21:11:44,578 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom
[2020-09-24 21:11:44,580 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-24 21:11:44,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2020-09-24 21:11:44,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2020-09-24 21:11:44,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int
[2020-09-24 21:11:44,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong
[2020-09-24 21:11:44,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error
[2020-09-24 21:11:44,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop
[2020-09-24 21:11:44,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2020-09-24 21:11:44,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap
[2020-09-24 21:11:44,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any
[2020-09-24 21:11:44,583 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16
[2020-09-24 21:11:44,583 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32
[2020-09-24 21:11:44,583 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32
[2020-09-24 21:11:44,585 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16
[2020-09-24 21:11:44,586 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32
[2020-09-24 21:11:44,586 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata
[2020-09-24 21:11:44,586 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb
[2020-09-24 21:11:44,586 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of
[2020-09-24 21:11:44,587 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete
[2020-09-24 21:11:44,587 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd
[2020-09-24 21:11:44,587 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind
[2020-09-24 21:11:44,587 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup
[2020-09-24 21:11:44,588 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup
[2020-09-24 21:11:44,588 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init
[2020-09-24 21:11:44,588 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit
[2020-09-24 21:11:44,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2
[2020-09-24 21:11:44,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1
[2020-09-24 21:11:44,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 21:11:44,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5
[2020-09-24 21:11:44,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6
[2020-09-24 21:11:44,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7
[2020-09-24 21:11:44,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8
[2020-09-24 21:11:44,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11
[2020-09-24 21:11:44,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12
[2020-09-24 21:11:44,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13
[2020-09-24 21:11:44,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init
[2020-09-24 21:11:44,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add
[2020-09-24 21:11:44,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove
[2020-09-24 21:11:44,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains
[2020-09-24 21:11:44,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty
[2020-09-24 21:11:44,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err
[2020-09-24 21:11:44,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr
[2020-09-24 21:11:44,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err
[2020-09-24 21:11:44,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null
[2020-09-24 21:11:44,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc
[2020-09-24 21:11:44,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2020-09-24 21:11:44,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free
[2020-09-24 21:11:44,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int
[2020-09-24 21:11:44,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb
[2020-09-24 21:11:44,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb
[2020-09-24 21:11:44,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current
[2020-09-24 21:11:44,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2020-09-24 21:11:44,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any
[2020-09-24 21:11:44,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg
[2020-09-24 21:11:44,597 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le
[2020-09-24 21:11:44,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2
[2020-09-24 21:11:44,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1
[2020-09-24 21:11:44,600 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn
[2020-09-24 21:11:44,600 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone
[2020-09-24 21:11:44,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand
[2020-09-24 21:11:44,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull
[2020-09-24 21:11:44,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push
[2020-09-24 21:11:44,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put
[2020-09-24 21:11:44,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim
[2020-09-24 21:11:44,602 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb
[2020-09-24 21:11:44,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister
[2020-09-24 21:11:44,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface
[2020-09-24 21:11:44,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb
[2020-09-24 21:11:44,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver
[2020-09-24 21:11:44,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb
[2020-09-24 21:11:44,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle
[2020-09-24 21:11:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect
[2020-09-24 21:11:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints
[2020-09-24 21:11:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe
[2020-09-24 21:11:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume
[2020-09-24 21:11:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return
[2020-09-24 21:11:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend
[2020-09-24 21:11:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree
[2020-09-24 21:11:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2020-09-24 21:11:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2020-09-24 21:11:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove
[2020-09-24 21:11:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 21:11:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2020-09-24 21:11:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32
[2020-09-24 21:11:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32
[2020-09-24 21:11:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p
[2020-09-24 21:11:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-24 21:11:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup
[2020-09-24 21:11:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup
[2020-09-24 21:11:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup
[2020-09-24 21:11:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg
[2020-09-24 21:11:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure memset
[2020-09-24 21:11:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure memmove
[2020-09-24 21:11:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read
[2020-09-24 21:11:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata
[2020-09-24 21:11:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-24 21:11:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6
[2020-09-24 21:11:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7
[2020-09-24 21:11:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8
[2020-09-24 21:11:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11
[2020-09-24 21:11:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5
[2020-09-24 21:11:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone
[2020-09-24 21:11:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand
[2020-09-24 21:11:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer
[2020-09-24 21:11:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-24 21:11:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned
[2020-09-24 21:11:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear
[2020-09-24 21:11:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer
[2020-09-24 21:11:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-24 21:11:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer
[2020-09-24 21:11:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put
[2020-09-24 21:11:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push
[2020-09-24 21:11:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull
[2020-09-24 21:11:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom
[2020-09-24 21:11:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom
[2020-09-24 21:11:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim
[2020-09-24 21:11:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free
[2020-09-24 21:11:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-24 21:11:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2020-09-24 21:11:44,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 21:11:44,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2020-09-24 21:11:44,626 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-24 21:11:44,626 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-24 21:11:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc
[2020-09-24 21:11:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-24 21:11:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2020-09-24 21:11:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2020-09-24 21:11:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int
[2020-09-24 21:11:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong
[2020-09-24 21:11:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error
[2020-09-24 21:11:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop
[2020-09-24 21:11:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap
[2020-09-24 21:11:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2
[2020-09-24 21:11:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1
[2020-09-24 21:11:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any
[2020-09-24 21:11:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any
[2020-09-24 21:11:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn
[2020-09-24 21:11:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16
[2020-09-24 21:11:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32
[2020-09-24 21:11:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32
[2020-09-24 21:11:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16
[2020-09-24 21:11:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32
[2020-09-24 21:11:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata
[2020-09-24 21:11:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface
[2020-09-24 21:11:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver
[2020-09-24 21:11:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12
[2020-09-24 21:11:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister
[2020-09-24 21:11:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13
[2020-09-24 21:11:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb
[2020-09-24 21:11:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb
[2020-09-24 21:11:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb
[2020-09-24 21:11:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb
[2020-09-24 21:11:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le
[2020-09-24 21:11:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of
[2020-09-24 21:11:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe
[2020-09-24 21:11:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend
[2020-09-24 21:11:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume
[2020-09-24 21:11:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect
[2020-09-24 21:11:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle
[2020-09-24 21:11:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints
[2020-09-24 21:11:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return
[2020-09-24 21:11:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete
[2020-09-24 21:11:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd
[2020-09-24 21:11:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-24 21:11:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind
[2020-09-24 21:11:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup
[2020-09-24 21:11:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove
[2020-09-24 21:11:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup
[2020-09-24 21:11:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-24 21:11:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init
[2020-09-24 21:11:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit
[2020-09-24 21:11:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1
[2020-09-24 21:11:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2
[2020-09-24 21:11:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize
[2020-09-24 21:11:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2020-09-24 21:11:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 21:11:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2020-09-24 21:11:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init
[2020-09-24 21:11:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add
[2020-09-24 21:11:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove
[2020-09-24 21:11:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains
[2020-09-24 21:11:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty
[2020-09-24 21:11:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err
[2020-09-24 21:11:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr
[2020-09-24 21:11:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err
[2020-09-24 21:11:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null
[2020-09-24 21:11:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc
[2020-09-24 21:11:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int
[2020-09-24 21:11:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb
[2020-09-24 21:11:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb
[2020-09-24 21:11:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current
[2020-09-24 21:11:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2020-09-24 21:11:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-24 21:11:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure kfree
[2020-09-24 21:11:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 21:11:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2020-09-24 21:11:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-24 21:11:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2020-09-24 21:11:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 21:11:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2020-09-24 21:11:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2020-09-24 21:11:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2020-09-24 21:11:45,469 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2020-09-24 21:11:46,844 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 21:11:46,844 INFO L295 CfgBuilder]: Removed 4 assume(true) statements.
[2020-09-24 21:11:46,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:11:46 BoogieIcfgContainer
[2020-09-24 21:11:46,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 21:11:46,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 21:11:46,862 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 21:11:46,865 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 21:11:46,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:11:42" (1/3) ...
[2020-09-24 21:11:46,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ceb446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:11:46, skipping insertion in model container
[2020-09-24 21:11:46,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:11:44" (2/3) ...
[2020-09-24 21:11:46,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ceb446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:11:46, skipping insertion in model container
[2020-09-24 21:11:46,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:11:46" (3/3) ...
[2020-09-24 21:11:46,869 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 21:11:46,881 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 21:11:46,894 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 21:11:46,913 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 21:11:46,947 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 21:11:46,948 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 21:11:46,948 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 21:11:46,948 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 21:11:46,948 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 21:11:46,948 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 21:11:46,948 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 21:11:46,949 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 21:11:46,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states.
[2020-09-24 21:11:47,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231
[2020-09-24 21:11:47,009 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:11:47,011 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 21:11:47,011 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:11:47,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:11:47,019 INFO L82 PathProgramCache]: Analyzing trace with hash -410682460, now seen corresponding path program 1 times
[2020-09-24 21:11:47,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:11:47,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902748958]
[2020-09-24 21:11:47,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:11:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:11:47,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:48,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:48,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:51,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:52,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:11:52,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261
[2020-09-24 21:11:52,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-24 21:11:52,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022
[2020-09-24 21:11:52,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:11:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-24 21:11:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184
[2020-09-24 21:11:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73
[2020-09-24 21:11:52,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-24 21:11:53,260 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-09-24 21:11:53,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:11:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:11:53,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:53,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:11:53,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129
[2020-09-24 21:11:53,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:11:53,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211
[2020-09-24 21:11:53,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:11:53,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:11:53,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:11:53,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:11:53,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 21:11:53,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-24 21:11:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:11:53,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:53,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:11:53,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-24 21:11:53,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:11:53,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38
[2020-09-24 21:11:53,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:11:53,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:11:53,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:11:53,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:11:53,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:11:53,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-09-24 21:11:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:11:53,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:53,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:11:53,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-24 21:11:53,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:11:53,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36
[2020-09-24 21:11:53,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:11:53,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:11:53,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:11:53,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:11:53,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:11:53,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165
[2020-09-24 21:11:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:11:53,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:53,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:11:53,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16
[2020-09-24 21:11:53,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:11:53,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54
[2020-09-24 21:11:53,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:11:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 21:11:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:11:53,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-24 21:11:53,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:11:53,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:11:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:11:53,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:53,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:11:53,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 21:11:53,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:11:53,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57
[2020-09-24 21:11:53,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:11:53,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 21:11:53,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:11:53,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-24 21:11:53,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:11:53,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174
[2020-09-24 21:11:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:11:53,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:53,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:54,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:11:54,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 21:11:54,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 21:11:54,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175
[2020-09-24 21:11:54,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:11:54,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-24 21:11:54,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3
[2020-09-24 21:11:54,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 21:11:54,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-24 21:11:54,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180
[2020-09-24 21:11:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:11:54,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:54,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:54,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:11:54,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 21:11:54,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 21:11:54,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124
[2020-09-24 21:11:54,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:11:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-24 21:11:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3
[2020-09-24 21:11:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 21:11:54,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:11:54,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204
[2020-09-24 21:11:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:11:54,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:54,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:11:54,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21
[2020-09-24 21:11:54,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:11:54,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47
[2020-09-24 21:11:54,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:11:54,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 21:11:54,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:11:54,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17
[2020-09-24 21:11:54,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:11:54,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:11:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:11:54,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:54,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:11:54,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16
[2020-09-24 21:11:54,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:11:54,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26
[2020-09-24 21:11:54,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:11:54,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:11:54,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:11:54,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:11:54,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:11:54,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-24 21:11:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:11:54,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:54,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:11:54,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-24 21:11:54,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:11:54,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20
[2020-09-24 21:11:54,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:11:54,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:11:54,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:11:54,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:11:54,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:11:54,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219
[2020-09-24 21:11:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:11:54,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:11:54,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:11:54,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 21:11:54,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:11:54,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80
[2020-09-24 21:11:54,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:11:54,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 21:11:54,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:11:54,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 21:11:54,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:11:54,766 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 21:11:54,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902748958]
[2020-09-24 21:11:54,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 21:11:54,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2020-09-24 21:11:54,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201364125]
[2020-09-24 21:11:54,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states
[2020-09-24 21:11:54,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 21:11:54,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2020-09-24 21:11:54,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156
[2020-09-24 21:11:54,801 INFO L87 Difference]: Start difference. First operand 1198 states. Second operand 13 states.
[2020-09-24 21:11:55,543 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 210
[2020-09-24 21:11:56,523 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 212
[2020-09-24 21:11:56,895 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 214
[2020-09-24 21:11:58,892 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 213
[2020-09-24 21:11:59,362 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 213
[2020-09-24 21:11:59,782 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 216
[2020-09-24 21:12:00,237 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213
[2020-09-24 21:12:09,661 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 218
[2020-09-24 21:12:10,172 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 212
[2020-09-24 21:12:15,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 21:12:15,961 INFO L93 Difference]: Finished difference Result 3803 states and 4452 transitions.
[2020-09-24 21:12:15,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states.
[2020-09-24 21:12:15,962 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 230
[2020-09-24 21:12:15,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 21:12:16,005 INFO L225 Difference]: With dead ends: 3803
[2020-09-24 21:12:16,005 INFO L226 Difference]: Without dead ends: 2735
[2020-09-24 21:12:16,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=342, Invalid=918, Unknown=0, NotChecked=0, Total=1260
[2020-09-24 21:12:16,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2735 states.
[2020-09-24 21:12:16,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2735 to 2207.
[2020-09-24 21:12:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2207 states.
[2020-09-24 21:12:16,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 2207 states and 2460 transitions.
[2020-09-24 21:12:16,329 INFO L78 Accepts]: Start accepts. Automaton has 2207 states and 2460 transitions. Word has length 230
[2020-09-24 21:12:16,331 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 21:12:16,331 INFO L479 AbstractCegarLoop]: Abstraction has 2207 states and 2460 transitions.
[2020-09-24 21:12:16,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states.
[2020-09-24 21:12:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 2460 transitions.
[2020-09-24 21:12:16,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472
[2020-09-24 21:12:16,346 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 21:12:16,346 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 21:12:16,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 21:12:16,347 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 21:12:16,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 21:12:16,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1173982664, now seen corresponding path program 1 times
[2020-09-24 21:12:16,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 21:12:16,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913249755]
[2020-09-24 21:12:16,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 21:12:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:16,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:16,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:17,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:17,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:21,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:21,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 540
[2020-09-24 21:12:21,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-24 21:12:21,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003
[2020-09-24 21:12:21,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11
[2020-09-24 21:12:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 330
[2020-09-24 21:12:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-24 21:12:21,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:12:21,945 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-09-24 21:12:21,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:12:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:22,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:22,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:22,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129
[2020-09-24 21:12:22,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:12:22,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254
[2020-09-24 21:12:22,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:22,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:12:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:12:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:12:22,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 21:12:22,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-24 21:12:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:22,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:22,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:22,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-24 21:12:22,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:12:22,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31
[2020-09-24 21:12:22,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:22,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:12:22,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:12:22,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:12:22,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:12:22,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-09-24 21:12:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:22,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:22,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:22,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-24 21:12:22,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:12:22,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31
[2020-09-24 21:12:22,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:22,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:12:22,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:12:22,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:12:22,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:12:22,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165
[2020-09-24 21:12:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:22,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:22,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:22,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16
[2020-09-24 21:12:22,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:12:22,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30
[2020-09-24 21:12:22,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:22,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:12:22,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:12:22,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:12:22,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:12:22,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 21:12:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:22,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:22,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:22,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 21:12:22,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:12:22,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31
[2020-09-24 21:12:22,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:22,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:12:22,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:12:22,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:12:22,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:12:22,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174
[2020-09-24 21:12:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:22,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:22,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:22,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:22,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-24 21:12:22,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 21:12:22,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140
[2020-09-24 21:12:22,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:22,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 21:12:22,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3
[2020-09-24 21:12:22,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-24 21:12:22,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:12:22,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184
[2020-09-24 21:12:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:22,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:22,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:22,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:22,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-24 21:12:22,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 21:12:22,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139
[2020-09-24 21:12:22,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:22,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 21:12:22,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3
[2020-09-24 21:12:22,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-24 21:12:22,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 21:12:22,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215
[2020-09-24 21:12:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:23,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:23,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:25,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:25,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254
[2020-09-24 21:12:25,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 21:12:25,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3016
[2020-09-24 21:12:25,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:25,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11
[2020-09-24 21:12:25,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96
[2020-09-24 21:12:25,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-24 21:12:25,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:12:26,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-09-24 21:12:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:26,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:26,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:26,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-24 21:12:26,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:12:26,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29
[2020-09-24 21:12:26,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:26,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:12:26,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:12:26,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:12:26,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 21:12:26,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-24 21:12:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:26,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:26,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:26,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 21:12:26,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:12:26,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30
[2020-09-24 21:12:26,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:26,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:12:26,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:12:26,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:12:26,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 43
[2020-09-24 21:12:26,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-09-24 21:12:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:26,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:26,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:26,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26
[2020-09-24 21:12:26,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:12:26,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33
[2020-09-24 21:12:26,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:26,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:12:26,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:12:26,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:12:26,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:12:26,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-24 21:12:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:26,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:26,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:26,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-24 21:12:26,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:12:26,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28
[2020-09-24 21:12:26,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:12:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:12:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:12:26,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 21:12:26,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2020-09-24 21:12:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:26,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:26,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:26,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26
[2020-09-24 21:12:26,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:12:26,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119
[2020-09-24 21:12:26,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:26,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-24 21:12:26,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:12:26,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-24 21:12:26,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:12:26,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-24 21:12:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:26,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:26,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:26,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-24 21:12:26,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:12:26,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68
[2020-09-24 21:12:26,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:26,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-24 21:12:26,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:12:26,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-24 21:12:26,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:12:26,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-09-24 21:12:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:26,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:26,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:26,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 21:12:26,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:12:26,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114
[2020-09-24 21:12:26,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:26,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-24 21:12:26,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:12:26,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-24 21:12:26,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 21:12:26,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-09-24 21:12:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:26,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:26,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:26,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 21:12:26,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:12:26,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28
[2020-09-24 21:12:26,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:26,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:12:26,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7
[2020-09-24 21:12:26,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:12:26,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:12:26,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105
[2020-09-24 21:12:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:26,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:27,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:27,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26
[2020-09-24 21:12:27,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:12:27,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74
[2020-09-24 21:12:27,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:27,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:12:27,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23
[2020-09-24 21:12:27,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:12:27,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 21:12:27,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-24 21:12:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 21:12:27,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 21:12:27,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 21:12:27,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-24 21:12:27,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 21:12:27,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33
[2020-09-24 21:12:27,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 21:12:27,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 21:12:27,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 21:12:27,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 21:12:27,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 21:12:27,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126
[2020-09-24 21:12:27,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 21:12:27,133 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:235)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.<init>(InterpolatingTraceCheck.java:90)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:89)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:97)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:97)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:75)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:127)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms
at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:557)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertLocalVarAssignemntPendingContext(AnnotateAndAssertCodeBlocks.java:169)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:120)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:206)
... 33 more
[2020-09-24 21:12:27,139 INFO L168 Benchmark]: Toolchain (without parser) took 44917.57 ms. Allocated memory was 147.3 MB in the beginning and 757.1 MB in the end (delta: 609.7 MB). Free memory was 94.3 MB in the beginning and 528.3 MB in the end (delta: -434.0 MB). Peak memory consumption was 175.8 MB. Max. memory is 7.1 GB.
[2020-09-24 21:12:27,140 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 147.3 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-24 21:12:27,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2037.80 ms. Allocated memory was 147.3 MB in the beginning and 230.2 MB in the end (delta: 82.8 MB). Free memory was 93.7 MB in the beginning and 121.7 MB in the end (delta: -28.0 MB). Peak memory consumption was 70.3 MB. Max. memory is 7.1 GB.
[2020-09-24 21:12:27,141 INFO L168 Benchmark]: Boogie Preprocessor took 176.48 ms. Allocated memory is still 230.2 MB. Free memory was 121.7 MB in the beginning and 112.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB.
[2020-09-24 21:12:27,142 INFO L168 Benchmark]: RCFGBuilder took 2415.77 ms. Allocated memory was 230.2 MB in the beginning and 262.7 MB in the end (delta: 32.5 MB). Free memory was 112.6 MB in the beginning and 137.0 MB in the end (delta: -24.4 MB). Peak memory consumption was 67.9 MB. Max. memory is 7.1 GB.
[2020-09-24 21:12:27,143 INFO L168 Benchmark]: TraceAbstraction took 40275.32 ms. Allocated memory was 262.7 MB in the beginning and 757.1 MB in the end (delta: 494.4 MB). Free memory was 137.0 MB in the beginning and 528.3 MB in the end (delta: -391.3 MB). Peak memory consumption was 103.1 MB. Max. memory is 7.1 GB.
[2020-09-24 21:12:27,147 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.25 ms. Allocated memory is still 147.3 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 2037.80 ms. Allocated memory was 147.3 MB in the beginning and 230.2 MB in the end (delta: 82.8 MB). Free memory was 93.7 MB in the beginning and 121.7 MB in the end (delta: -28.0 MB). Peak memory consumption was 70.3 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 176.48 ms. Allocated memory is still 230.2 MB. Free memory was 121.7 MB in the beginning and 112.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 2415.77 ms. Allocated memory was 230.2 MB in the beginning and 262.7 MB in the end (delta: 32.5 MB). Free memory was 112.6 MB in the beginning and 137.0 MB in the end (delta: -24.4 MB). Peak memory consumption was 67.9 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 40275.32 ms. Allocated memory was 262.7 MB in the beginning and 757.1 MB in the end (delta: 494.4 MB). Free memory was 137.0 MB in the beginning and 528.3 MB in the end (delta: -391.3 MB). Peak memory consumption was 103.1 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:235)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...