java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label03_true-unreach-call.c


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


This is Ultimate 0.1.23-dd2f093
[2018-07-23 23:14:45,718 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-07-23 23:14:45,720 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2018-07-23 23:14:45,733 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-07-23 23:14:45,734 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-07-23 23:14:45,735 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-07-23 23:14:45,736 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2018-07-23 23:14:45,745 INFO  L174        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-07-23 23:14:45,746 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-07-23 23:14:45,747 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-07-23 23:14:45,749 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-07-23 23:14:45,751 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2018-07-23 23:14:45,753 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-07-23 23:14:45,754 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-07-23 23:14:45,755 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-07-23 23:14:45,758 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-07-23 23:14:45,758 INFO  L177        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-07-23 23:14:45,759 INFO  L174        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-07-23 23:14:45,760 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-07-23 23:14:45,761 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-07-23 23:14:45,762 INFO  L174        SettingsManager]: Resetting ReqPrinter preferences to default values
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[2018-07-23 23:14:45,764 INFO  L177        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-07-23 23:14:45,764 INFO  L174        SettingsManager]: Resetting CDTParser preferences to default values
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[2018-07-23 23:14:45,765 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
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[2018-07-23 23:14:45,767 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2018-07-23 23:14:45,768 INFO  L98         SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf
[2018-07-23 23:14:45,783 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-07-23 23:14:45,783 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-07-23 23:14:45,784 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-07-23 23:14:45,784 INFO  L133        SettingsManager]:  * User list type=DISABLED
[2018-07-23 23:14:45,785 INFO  L133        SettingsManager]:  * calls to implemented procedures=false
[2018-07-23 23:14:45,785 INFO  L131        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-07-23 23:14:45,785 INFO  L133        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2018-07-23 23:14:45,785 INFO  L133        SettingsManager]:  * Abstract domain=CompoundDomain
[2018-07-23 23:14:45,785 INFO  L133        SettingsManager]:  * Log string format=TERM
[2018-07-23 23:14:45,786 INFO  L133        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2018-07-23 23:14:45,786 INFO  L133        SettingsManager]:  * Interval Domain=false
[2018-07-23 23:14:45,787 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-07-23 23:14:45,787 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-07-23 23:14:45,787 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-07-23 23:14:45,787 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2018-07-23 23:14:45,787 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-07-23 23:14:45,788 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2018-07-23 23:14:45,788 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2018-07-23 23:14:45,788 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2018-07-23 23:14:45,788 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-07-23 23:14:45,788 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-07-23 23:14:45,789 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-07-23 23:14:45,789 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-07-23 23:14:45,789 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-07-23 23:14:45,789 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-07-23 23:14:45,790 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-07-23 23:14:45,790 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-07-23 23:14:45,790 INFO  L133        SettingsManager]:  * Trace refinement strategy=TAIPAN
[2018-07-23 23:14:45,790 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-07-23 23:14:45,790 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-07-23 23:14:45,791 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-07-23 23:14:45,791 INFO  L133        SettingsManager]:  * To the following directory=dump/
[2018-07-23 23:14:45,791 INFO  L133        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2018-07-23 23:14:45,856 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-07-23 23:14:45,875 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-07-23 23:14:45,882 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-07-23 23:14:45,884 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-07-23 23:14:45,885 INFO  L276        PluginConnector]: CDTParser initialized
[2018-07-23 23:14:45,886 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label03_true-unreach-call.c
[2018-07-23 23:14:46,273 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39bebcabb/e9e2a3c1159c454ebd1b7d8f877d2b58/FLAGd3f3a90dd
[2018-07-23 23:14:46,878 INFO  L276              CDTParser]: Found 1 translation units.
[2018-07-23 23:14:46,879 INFO  L158              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label03_true-unreach-call.c
[2018-07-23 23:14:46,943 INFO  L324              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39bebcabb/e9e2a3c1159c454ebd1b7d8f877d2b58/FLAGd3f3a90dd
[2018-07-23 23:14:46,958 INFO  L332              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39bebcabb/e9e2a3c1159c454ebd1b7d8f877d2b58
[2018-07-23 23:14:46,969 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-07-23 23:14:46,971 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2018-07-23 23:14:46,973 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-07-23 23:14:46,973 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-07-23 23:14:46,981 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-07-23 23:14:46,982 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 11:14:46" (1/1) ...
[2018-07-23 23:14:46,986 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@496695e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:14:46, skipping insertion in model container
[2018-07-23 23:14:46,986 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 11:14:46" (1/1) ...
[2018-07-23 23:14:47,469 INFO  L179           PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode 
[2018-07-23 23:14:49,281 INFO  L175          PostProcessor]: Settings: Checked method=main
[2018-07-23 23:14:49,302 INFO  L422         MainDispatcher]: Starting main dispatcher in SV-COMP mode 
[2018-07-23 23:14:50,825 INFO  L175          PostProcessor]: Settings: Checked method=main
[2018-07-23 23:14:51,526 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:14:51 WrapperNode
[2018-07-23 23:14:51,527 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-07-23 23:14:51,528 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-07-23 23:14:51,528 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-07-23 23:14:51,528 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2018-07-23 23:14:51,539 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:14:51" (1/1) ...
[2018-07-23 23:14:51,793 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:14:51" (1/1) ...
[2018-07-23 23:14:51,930 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-07-23 23:14:51,931 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-07-23 23:14:51,931 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-07-23 23:14:51,931 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-07-23 23:14:53,071 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:14:51" (1/1) ...
[2018-07-23 23:14:53,072 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:14:51" (1/1) ...
[2018-07-23 23:14:53,209 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:14:51" (1/1) ...
[2018-07-23 23:14:53,210 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:14:51" (1/1) ...
[2018-07-23 23:14:53,437 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:14:51" (1/1) ...
[2018-07-23 23:14:53,497 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:14:51" (1/1) ...
[2018-07-23 23:14:53,605 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:14:51" (1/1) ...
[2018-07-23 23:14:53,710 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-07-23 23:14:53,711 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-07-23 23:14:53,711 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-07-23 23:14:53,711 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-07-23 23:14:53,712 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:14:51" (1/1) ...
No working directory specified, using /storage/repos/ultimate/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
[2018-07-23 23:14:53,772 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-07-23 23:14:53,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-07-23 23:14:53,773 INFO  L130     BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5
[2018-07-23 23:14:53,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5
[2018-07-23 23:14:53,773 INFO  L130     BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output
[2018-07-23 23:14:53,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output
[2018-07-23 23:14:53,773 INFO  L130     BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6
[2018-07-23 23:14:53,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6
[2018-07-23 23:14:53,774 INFO  L130     BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3
[2018-07-23 23:14:53,774 INFO  L138     BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3
[2018-07-23 23:14:53,774 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-07-23 23:14:53,774 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-07-23 23:14:53,774 INFO  L130     BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4
[2018-07-23 23:14:53,775 INFO  L138     BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4
[2018-07-23 23:14:53,775 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2018-07-23 23:14:53,775 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2018-07-23 23:14:53,775 INFO  L130     BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2
[2018-07-23 23:14:53,775 INFO  L138     BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2
[2018-07-23 23:15:13,312 INFO  L261             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-07-23 23:15:13,314 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 11:15:13 BoogieIcfgContainer
[2018-07-23 23:15:13,314 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-07-23 23:15:13,315 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-07-23 23:15:13,315 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-07-23 23:15:13,319 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-07-23 23:15:13,319 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 11:14:46" (1/3) ...
[2018-07-23 23:15:13,320 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 11:15:13, skipping insertion in model container
[2018-07-23 23:15:13,320 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:14:51" (2/3) ...
[2018-07-23 23:15:13,321 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 11:15:13, skipping insertion in model container
[2018-07-23 23:15:13,321 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 11:15:13" (3/3) ...
[2018-07-23 23:15:13,323 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem19_label03_true-unreach-call.c
[2018-07-23 23:15:13,334 INFO  L132   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-07-23 23:15:13,346 INFO  L144   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2018-07-23 23:15:13,414 INFO  L128   ementStrategyFactory]: Using default assertion order modulation
[2018-07-23 23:15:13,415 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2018-07-23 23:15:13,415 INFO  L374      AbstractCegarLoop]: Hoare is true
[2018-07-23 23:15:13,415 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-07-23 23:15:13,415 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-07-23 23:15:13,415 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-07-23 23:15:13,415 INFO  L378      AbstractCegarLoop]: Difference is false
[2018-07-23 23:15:13,416 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-07-23 23:15:13,416 INFO  L384      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-07-23 23:15:13,469 INFO  L276                IsEmpty]: Start isEmpty. Operand 1778 states.
[2018-07-23 23:15:13,478 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2018-07-23 23:15:13,479 INFO  L345         BasicCegarLoop]: Found error trace
[2018-07-23 23:15:13,480 INFO  L353         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-07-23 23:15:13,483 INFO  L414      AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]===
[2018-07-23 23:15:13,489 INFO  L82        PathProgramCache]: Analyzing trace with hash -410532338, now seen corresponding path program 1 times
[2018-07-23 23:15:13,492 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-07-23 23:15:13,548 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-23 23:15:13,548 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-07-23 23:15:13,548 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-23 23:15:13,548 INFO  L288   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-07-23 23:15:13,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-07-23 23:15:14,035 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-07-23 23:15:14,039 INFO  L309   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-07-23 23:15:14,040 INFO  L324   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-07-23 23:15:14,040 INFO  L258   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-07-23 23:15:14,048 INFO  L450      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-07-23 23:15:14,068 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-07-23 23:15:14,069 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-07-23 23:15:14,072 INFO  L87              Difference]: Start difference. First operand 1778 states. Second operand 3 states.
[2018-07-23 23:15:30,606 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-07-23 23:15:30,607 INFO  L93              Difference]: Finished difference Result 4995 states and 9413 transitions.
[2018-07-23 23:15:30,610 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-07-23 23:15:30,612 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 64
[2018-07-23 23:15:30,613 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-07-23 23:15:30,668 INFO  L225             Difference]: With dead ends: 4995
[2018-07-23 23:15:30,669 INFO  L226             Difference]: Without dead ends: 3215
[2018-07-23 23:15:30,682 INFO  L573         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-07-23 23:15:30,707 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3215 states.
[2018-07-23 23:15:30,911 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3215 to 3213.
[2018-07-23 23:15:30,912 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3213 states.
[2018-07-23 23:15:30,933 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 5833 transitions.
[2018-07-23 23:15:30,936 INFO  L78                 Accepts]: Start accepts. Automaton has 3213 states and 5833 transitions. Word has length 64
[2018-07-23 23:15:30,937 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-07-23 23:15:30,937 INFO  L471      AbstractCegarLoop]: Abstraction has 3213 states and 5833 transitions.
[2018-07-23 23:15:30,938 INFO  L472      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-07-23 23:15:30,938 INFO  L276                IsEmpty]: Start isEmpty. Operand 3213 states and 5833 transitions.
[2018-07-23 23:15:30,945 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 139
[2018-07-23 23:15:30,945 INFO  L345         BasicCegarLoop]: Found error trace
[2018-07-23 23:15:30,946 INFO  L353         BasicCegarLoop]: trace histogram [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, 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]
[2018-07-23 23:15:30,946 INFO  L414      AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]===
[2018-07-23 23:15:30,947 INFO  L82        PathProgramCache]: Analyzing trace with hash -942333263, now seen corresponding path program 1 times
[2018-07-23 23:15:30,947 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-07-23 23:15:30,949 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-23 23:15:30,949 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-07-23 23:15:30,950 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-23 23:15:30,950 INFO  L288   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-07-23 23:15:31,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-07-23 23:15:31,617 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-07-23 23:15:31,618 INFO  L309   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-07-23 23:15:31,618 INFO  L324   seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2018-07-23 23:15:31,618 INFO  L258   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-07-23 23:15:31,621 INFO  L450      AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-07-23 23:15:31,622 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-07-23 23:15:31,622 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2018-07-23 23:15:31,623 INFO  L87              Difference]: Start difference. First operand 3213 states and 5833 transitions. Second operand 6 states.
[2018-07-23 23:16:05,130 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-07-23 23:16:05,130 INFO  L93              Difference]: Finished difference Result 9717 states and 17679 transitions.
[2018-07-23 23:16:05,130 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2018-07-23 23:16:05,131 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 138
[2018-07-23 23:16:05,131 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-07-23 23:16:05,176 INFO  L225             Difference]: With dead ends: 9717
[2018-07-23 23:16:05,176 INFO  L226             Difference]: Without dead ends: 6510
[2018-07-23 23:16:05,188 INFO  L573         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90
[2018-07-23 23:16:05,196 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6510 states.
[2018-07-23 23:16:05,362 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6510 to 6349.
[2018-07-23 23:16:05,362 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6349 states.
[2018-07-23 23:16:05,383 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6349 states to 6349 states and 9904 transitions.
[2018-07-23 23:16:05,384 INFO  L78                 Accepts]: Start accepts. Automaton has 6349 states and 9904 transitions. Word has length 138
[2018-07-23 23:16:05,384 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-07-23 23:16:05,384 INFO  L471      AbstractCegarLoop]: Abstraction has 6349 states and 9904 transitions.
[2018-07-23 23:16:05,385 INFO  L472      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-07-23 23:16:05,385 INFO  L276                IsEmpty]: Start isEmpty. Operand 6349 states and 9904 transitions.
[2018-07-23 23:16:05,388 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2018-07-23 23:16:05,389 INFO  L345         BasicCegarLoop]: Found error trace
[2018-07-23 23:16:05,389 INFO  L353         BasicCegarLoop]: trace histogram [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, 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]
[2018-07-23 23:16:05,391 INFO  L414      AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]===
[2018-07-23 23:16:05,392 INFO  L82        PathProgramCache]: Analyzing trace with hash -114044437, now seen corresponding path program 1 times
[2018-07-23 23:16:05,392 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-07-23 23:16:05,393 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-23 23:16:05,393 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-07-23 23:16:05,393 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-23 23:16:05,393 INFO  L288   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-07-23 23:16:05,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-07-23 23:16:05,685 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-07-23 23:16:05,685 INFO  L309   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-07-23 23:16:05,685 INFO  L324   seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2018-07-23 23:16:05,686 INFO  L258   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-07-23 23:16:05,686 INFO  L450      AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-07-23 23:16:05,687 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-07-23 23:16:05,687 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2018-07-23 23:16:05,687 INFO  L87              Difference]: Start difference. First operand 6349 states and 9904 transitions. Second operand 6 states.
[2018-07-23 23:16:26,212 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-07-23 23:16:26,212 INFO  L93              Difference]: Finished difference Result 17282 states and 26841 transitions.
[2018-07-23 23:16:26,213 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2018-07-23 23:16:26,213 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 143
[2018-07-23 23:16:26,213 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-07-23 23:16:26,273 INFO  L225             Difference]: With dead ends: 17282
[2018-07-23 23:16:26,273 INFO  L226             Difference]: Without dead ends: 10939
[2018-07-23 23:16:26,294 INFO  L573         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2018-07-23 23:16:26,307 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10939 states.
[2018-07-23 23:16:26,551 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10939 to 10809.
[2018-07-23 23:16:26,551 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10809 states.
[2018-07-23 23:16:26,594 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10809 states to 10809 states and 15843 transitions.
[2018-07-23 23:16:26,595 INFO  L78                 Accepts]: Start accepts. Automaton has 10809 states and 15843 transitions. Word has length 143
[2018-07-23 23:16:26,595 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-07-23 23:16:26,595 INFO  L471      AbstractCegarLoop]: Abstraction has 10809 states and 15843 transitions.
[2018-07-23 23:16:26,596 INFO  L472      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-07-23 23:16:26,596 INFO  L276                IsEmpty]: Start isEmpty. Operand 10809 states and 15843 transitions.
[2018-07-23 23:16:26,600 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 147
[2018-07-23 23:16:26,601 INFO  L345         BasicCegarLoop]: Found error trace
[2018-07-23 23:16:26,601 INFO  L353         BasicCegarLoop]: trace histogram [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, 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]
[2018-07-23 23:16:26,602 INFO  L414      AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]===
[2018-07-23 23:16:26,602 INFO  L82        PathProgramCache]: Analyzing trace with hash 1509113249, now seen corresponding path program 1 times
[2018-07-23 23:16:26,602 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-07-23 23:16:26,608 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-23 23:16:26,609 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-07-23 23:16:26,609 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-23 23:16:26,609 INFO  L288   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-07-23 23:16:26,654 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-07-23 23:16:26,940 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-07-23 23:16:26,941 INFO  L309   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-07-23 23:16:26,941 INFO  L324   seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2018-07-23 23:16:26,941 INFO  L258   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-07-23 23:16:26,942 INFO  L450      AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-07-23 23:16:26,942 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-07-23 23:16:26,942 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2018-07-23 23:16:26,943 INFO  L87              Difference]: Start difference. First operand 10809 states and 15843 transitions. Second operand 5 states.
[2018-07-23 23:16:47,678 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-07-23 23:16:47,679 INFO  L93              Difference]: Finished difference Result 32553 states and 48481 transitions.
[2018-07-23 23:16:47,679 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2018-07-23 23:16:47,679 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 146
[2018-07-23 23:16:47,680 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-07-23 23:16:47,784 INFO  L225             Difference]: With dead ends: 32553
[2018-07-23 23:16:47,784 INFO  L226             Difference]: Without dead ends: 21750
[2018-07-23 23:16:47,821 INFO  L573         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2018-07-23 23:16:47,844 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 21750 states.
[2018-07-23 23:16:48,266 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 21750 to 21426.
[2018-07-23 23:16:48,266 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 21426 states.
[2018-07-23 23:16:48,309 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 21426 states to 21426 states and 30071 transitions.
[2018-07-23 23:16:48,309 INFO  L78                 Accepts]: Start accepts. Automaton has 21426 states and 30071 transitions. Word has length 146
[2018-07-23 23:16:48,310 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-07-23 23:16:48,310 INFO  L471      AbstractCegarLoop]: Abstraction has 21426 states and 30071 transitions.
[2018-07-23 23:16:48,310 INFO  L472      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-07-23 23:16:48,310 INFO  L276                IsEmpty]: Start isEmpty. Operand 21426 states and 30071 transitions.
[2018-07-23 23:16:48,312 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 174
[2018-07-23 23:16:48,312 INFO  L345         BasicCegarLoop]: Found error trace
[2018-07-23 23:16:48,312 INFO  L353         BasicCegarLoop]: trace histogram [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, 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]
[2018-07-23 23:16:48,313 INFO  L414      AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]===
[2018-07-23 23:16:48,313 INFO  L82        PathProgramCache]: Analyzing trace with hash -1106453503, now seen corresponding path program 1 times
[2018-07-23 23:16:48,313 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-07-23 23:16:48,314 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-23 23:16:48,314 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-07-23 23:16:48,314 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-23 23:16:48,314 INFO  L288   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-07-23 23:16:48,336 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-07-23 23:16:48,758 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-07-23 23:16:48,758 INFO  L309   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-07-23 23:16:48,758 INFO  L324   seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2018-07-23 23:16:48,758 INFO  L258   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-07-23 23:16:48,759 INFO  L450      AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-07-23 23:16:48,759 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-07-23 23:16:48,759 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2018-07-23 23:16:48,760 INFO  L87              Difference]: Start difference. First operand 21426 states and 30071 transitions. Second operand 6 states.
[2018-07-23 23:17:38,019 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-07-23 23:17:38,020 INFO  L93              Difference]: Finished difference Result 78141 states and 121077 transitions.
[2018-07-23 23:17:38,020 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2018-07-23 23:17:38,021 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 173
[2018-07-23 23:17:38,021 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-07-23 23:17:38,233 INFO  L225             Difference]: With dead ends: 78141
[2018-07-23 23:17:38,233 INFO  L226             Difference]: Without dead ends: 56721
[2018-07-23 23:17:38,332 INFO  L573         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90
[2018-07-23 23:17:38,381 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56721 states.
[2018-07-23 23:17:39,462 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56721 to 56373.
[2018-07-23 23:17:39,462 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 56373 states.
[2018-07-23 23:17:39,626 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56373 states to 56373 states and 77716 transitions.
[2018-07-23 23:17:39,627 INFO  L78                 Accepts]: Start accepts. Automaton has 56373 states and 77716 transitions. Word has length 173
[2018-07-23 23:17:39,627 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-07-23 23:17:39,627 INFO  L471      AbstractCegarLoop]: Abstraction has 56373 states and 77716 transitions.
[2018-07-23 23:17:39,627 INFO  L472      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-07-23 23:17:39,628 INFO  L276                IsEmpty]: Start isEmpty. Operand 56373 states and 77716 transitions.
[2018-07-23 23:17:39,632 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 277
[2018-07-23 23:17:39,632 INFO  L345         BasicCegarLoop]: Found error trace
[2018-07-23 23:17:39,633 INFO  L353         BasicCegarLoop]: trace histogram [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, 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]
[2018-07-23 23:17:39,633 INFO  L414      AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]===
[2018-07-23 23:17:39,633 INFO  L82        PathProgramCache]: Analyzing trace with hash -1028370523, now seen corresponding path program 1 times
[2018-07-23 23:17:39,633 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-07-23 23:17:39,634 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-23 23:17:39,634 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-07-23 23:17:39,635 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-23 23:17:39,635 INFO  L288   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-07-23 23:17:39,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-07-23 23:17:39,931 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-07-23 23:17:39,931 INFO  L309   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-07-23 23:17:39,932 INFO  L324   seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-07-23 23:17:39,932 INFO  L258   anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-07-23 23:17:39,932 INFO  L450      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-07-23 23:17:39,933 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-07-23 23:17:39,933 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-07-23 23:17:39,933 INFO  L87              Difference]: Start difference. First operand 56373 states and 77716 transitions. Second operand 4 states.
[2018-07-23 23:18:02,923 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-07-23 23:18:02,923 INFO  L93              Difference]: Finished difference Result 204859 states and 311738 transitions.
[2018-07-23 23:18:02,924 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-07-23 23:18:02,924 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 276
[2018-07-23 23:18:02,925 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-07-23 23:18:03,467 INFO  L225             Difference]: With dead ends: 204859
[2018-07-23 23:18:03,467 INFO  L226             Difference]: Without dead ends: 148492
[2018-07-23 23:18:03,654 INFO  L573         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-07-23 23:18:03,773 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 148492 states.
[2018-07-23 23:18:06,881 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 148492 to 148229.
[2018-07-23 23:18:06,882 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 148229 states.
[2018-07-23 23:18:07,360 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 148229 states to 148229 states and 212040 transitions.
[2018-07-23 23:18:07,362 INFO  L78                 Accepts]: Start accepts. Automaton has 148229 states and 212040 transitions. Word has length 276
[2018-07-23 23:18:07,362 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-07-23 23:18:07,362 INFO  L471      AbstractCegarLoop]: Abstraction has 148229 states and 212040 transitions.
[2018-07-23 23:18:07,363 INFO  L472      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-07-23 23:18:07,363 INFO  L276                IsEmpty]: Start isEmpty. Operand 148229 states and 212040 transitions.
[2018-07-23 23:18:07,397 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 917
[2018-07-23 23:18:07,397 INFO  L345         BasicCegarLoop]: Found error trace
[2018-07-23 23:18:07,398 INFO  L353         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-07-23 23:18:07,399 INFO  L414      AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]===
[2018-07-23 23:18:07,399 INFO  L82        PathProgramCache]: Analyzing trace with hash -1198458575, now seen corresponding path program 1 times
[2018-07-23 23:18:07,399 INFO  L69    tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2018-07-23 23:18:07,400 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-23 23:18:07,400 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-07-23 23:18:07,400 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-23 23:18:07,401 INFO  L288   anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-07-23 23:18:07,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-07-23 23:18:08,519 INFO  L134       CoverageAnalysis]: Checked inductivity of 338 backedges. 336 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-07-23 23:18:08,520 INFO  L297   seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-07-23 23:18:08,520 INFO  L191   anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION
[2018-07-23 23:18:08,521 INFO  L199      CegarAbsIntRunner]: Running AI on error trace of length 917 with the following transitions: 
[2018-07-23 23:18:08,525 INFO  L201      CegarAbsIntRunner]: [0], [1], [1075], [1078], [1080], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1306], [1314], [1322], [1330], [1338], [1346], [1354], [1362], [1370], [1378], [1386], [1394], [1402], [1410], [1418], [1426], [1434], [1442], [1450], [1458], [1466], [1474], [1482], [1486], [1488], [1491], [1499], [1507], [1515], [1523], [1531], [1539], [1547], [1555], [1563], [1575], [1579], [1590], [1594], [1598], [1602], [1606], [1610], [1614], [1618], [1622], [1626], [1630], [1634], [1645], [1656], [1667], [1671], [1675], [1686], [1690], [1694], [1698], [1702], [1706], [1710], [1714], [1718], [1722], [1726], [1730], [1734], [1738], [1742], [1746], [1750], [1754], [1758], [1762], [1766], [1770], [1774], [1778], [1782], [1786], [1790], [1794], [1798], [1802], [1806], [1810], [1814], [1825], [1829], [1833], [1844], [1848], [1852], [1856], [1860], [1864], [1868], [1872], [1876], [1880], [1884], [1888], [1899], [1903], [1907], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1958], [1969], [1973], [1977], [1988], [1992], [1996], [2000], [2004], [2008], [2012], [2016], [2020], [2024], [2028], [2032], [2036], [2040], [2044], [2048], [2052], [2056], [2060], [2064], [2068], [2072], [2076], [2080], [2084], [2088], [2099], [2103], [2107], [2111], [2115], [2126], [2130], [2134], [2138], [2142], [2146], [2150], [2154], [2158], [2162], [2173], [2177], [2181], [2192], [2196], [2200], [2204], [2208], [2219], [2223], [2227], [2231], [2235], [2239], [2250], [2261], [2265], [2269], [2273], [2277], [2288], [2292], [2303], [2307], [2311], [2315], [2319], [2323], [2334], [2337], [2338], [2342], [2346], [2350], [2354], [2358], [2362], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2452], [2456], [2467], [2471], [2482], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2560], [2564], [2575], [2579], [2583], [2587], [2591], [2595], [2599], [2603], [2607], [2611], [2615], [2619], [2623], [2627], [2631], [2635], [2639], [2643], [2647], [2649], [2650], [3584], [3588], [3592], [3596], [3600], [3604], [3608], [3612], [3623], [3627], [3631], [3642], [3646], [3650], [3654], [3665], [3669], [3680], [3684], [3688], [3692], [3696], [3700], [3704], [3708], [3712], [3716], [3720], [3724], [3728], [3732], [3736], [3747], [3751], [3755], [3759], [3763], [3767], [3771], [3775], [3779], [3783], [3787], [3798], [3802], [3806], [3810], [3814], [3818], [3822], [3826], [3830], [3834], [3838], [3842], [3846], [3857], [3861], [3872], [3876], [3880], [3891], [3895], [3899], [3903], [3914], [3918], [3922], [3926], [3930], [3934], [3938], [3942], [3953], [3957], [3961], [3965], [3969], [3980], [3984], [3988], [3992], [3996], [4000], [4004], [4008], [4012], [4016], [4020], [4024], [4028], [4032], [4036], [4040], [4044], [4048], [4052], [4063], [4067], [4071], [4075], [4079], [4083], [4087], [4091], [4095], [4099], [4103], [4106], [4691], [5775], [5779], [5785], [5789], [5791], [5796], [5800], [5804], [5808], [5812], [5816], [5820], [5824], [5828], [5832], [5836], [5840], [5844], [5848], [5852], [5856], [5860], [5864], [5868], [5879], [5890], [5894], [5898], [5909], [5913], [5917], [5921], [5925], [5929], [5933], [5937], [5941], [5945], [5949], [5953], [5957], [5961], [5965], [5969], [5973], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6031], [6035], [6039], [6043], [6054], [6058], [6062], [6066], [6070], [6074], [6078], [6082], [6086], [6090], [6094], [6098], [6102], [6106], [6110], [6114], [6118], [6122], [6126], [6130], [6134], [6138], [6142], [6153], [6157], [6161], [6165], [6169], [6173], [6177], [6181], [6185], [6189], [6193], [6197], [6201], [6205], [6209], [6220], [6224], [6228], [6232], [6236], [6247], [6251], [6255], [6259], [6263], [6267], [6271], [6275], [6279], [6290], [6294], [6298], [6309], [6313], [6317], [6321], [6325], [6329], [6333], [6337], [6341], [6345], [6349], [6353], [6364], [6368], [6372], [6376], [6380], [6384], [6388], [6392], [6403], [6407], [6411], [6415], [6419], [6423], [6427], [6431], [6435], [6439], [6443], [6447], [6458], [6462], [6473], [6477], [6481], [6485], [6496], [6500], [6504], [6508], [6512], [6516], [6520], [6524], [6535], [6539], [6543], [6554], [6558], [6562], [6566], [6570], [6574], [6578], [6582], [6586], [6590], [6594], [6598], [6602], [6606], [6610], [6614], [6618], [6622], [6626], [6630], [6634], [6638], [6642], [6646], [6650], [6654], [6658], [6662], [6666], [6670], [6674], [6678], [6682], [6686], [6690], [6694], [6705], [6709], [6720], [6724], [6728], [6732], [6736], [6740], [6744], [6748], [6752], [6756], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6803], [6807], [6811], [6815], [6819], [6823], [6825], [6826], [6829], [6830], [6833], [6834], [6835], [6839], [6840], [6841], [6842]
[2018-07-23 23:18:08,640 INFO  L148    AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain]
[2018-07-23 23:18:08,641 INFO  L101         FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2)
Received shutdown request...