java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label52_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 12:36:19,892 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 12:36:19,895 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 12:36:19,914 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 12:36:19,914 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 12:36:19,916 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 12:36:19,917 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 12:36:19,920 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 12:36:19,922 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 12:36:19,924 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 12:36:19,925 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 12:36:19,925 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 12:36:19,928 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 12:36:19,929 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 12:36:19,930 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 12:36:19,931 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 12:36:19,935 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 12:36:19,944 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 12:36:19,949 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 12:36:19,951 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 12:36:19,955 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 12:36:19,957 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 12:36:19,962 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 12:36:19,971 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 12:36:19,971 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 12:36:19,973 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 12:36:19,974 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 12:36:19,976 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-18 12:36:20,003 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 12:36:20,003 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 12:36:20,004 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 12:36:20,004 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 12:36:20,005 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 12:36:20,005 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 12:36:20,005 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 12:36:20,005 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 12:36:20,006 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 12:36:20,006 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 12:36:20,006 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 12:36:20,006 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 12:36:20,007 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 12:36:20,007 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 12:36:20,007 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 12:36:20,007 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 12:36:20,008 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 12:36:20,008 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 12:36:20,008 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 12:36:20,008 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 12:36:20,009 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 12:36:20,009 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 12:36:20,009 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 12:36:20,009 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 12:36:20,009 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 12:36:20,010 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 12:36:20,010 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 12:36:20,010 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 12:36:20,010 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 12:36:20,011 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 12:36:20,011 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 12:36:20,011 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 12:36:20,011 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 12:36:20,011 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 12:36:20,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 12:36:20,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 12:36:20,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 12:36:20,078 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 12:36:20,079 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 12:36:20,080 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label52_true-unreach-call.c [2018-09-18 12:36:20,458 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5871f5b9/9accb81ed6fd407b902a0d18e67d554d/FLAGe1c225656 [2018-09-18 12:36:21,034 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 12:36:21,035 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label52_true-unreach-call.c [2018-09-18 12:36:21,080 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5871f5b9/9accb81ed6fd407b902a0d18e67d554d/FLAGe1c225656 [2018-09-18 12:36:21,105 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5871f5b9/9accb81ed6fd407b902a0d18e67d554d [2018-09-18 12:36:21,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 12:36:21,121 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 12:36:21,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 12:36:21,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 12:36:21,131 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 12:36:21,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:36:21" (1/1) ... [2018-09-18 12:36:21,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2a0e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:36:21, skipping insertion in model container [2018-09-18 12:36:21,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:36:21" (1/1) ... [2018-09-18 12:36:21,151 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 12:36:23,303 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:36:23,322 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 12:36:24,385 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:36:25,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:36:25 WrapperNode [2018-09-18 12:36:25,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 12:36:25,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 12:36:25,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 12:36:25,089 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 12:36:25,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:36:25" (1/1) ... [2018-09-18 12:36:25,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:36:25" (1/1) ... [2018-09-18 12:36:25,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 12:36:25,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 12:36:25,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 12:36:25,415 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 12:36:26,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:36:25" (1/1) ... [2018-09-18 12:36:26,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:36:25" (1/1) ... [2018-09-18 12:36:26,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:36:25" (1/1) ... [2018-09-18 12:36:26,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:36:25" (1/1) ... [2018-09-18 12:36:26,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:36:25" (1/1) ... [2018-09-18 12:36:26,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:36:25" (1/1) ... [2018-09-18 12:36:27,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:36:25" (1/1) ... [2018-09-18 12:36:27,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 12:36:27,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 12:36:27,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 12:36:27,200 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 12:36:27,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:36:25" (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 [2018-09-18 12:36:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 12:36:27,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 12:36:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-18 12:36:27,277 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-18 12:36:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-18 12:36:27,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-18 12:36:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-18 12:36:27,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-18 12:36:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-18 12:36:27,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-18 12:36:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 12:36:27,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 12:36:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 12:36:27,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 12:36:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 12:36:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 12:36:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 12:36:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 12:36:46,324 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 12:36:46,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:36:46 BoogieIcfgContainer [2018-09-18 12:36:46,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 12:36:46,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 12:36:46,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 12:36:46,329 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 12:36:46,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 12:36:21" (1/3) ... [2018-09-18 12:36:46,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4edfce84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:36:46, skipping insertion in model container [2018-09-18 12:36:46,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:36:25" (2/3) ... [2018-09-18 12:36:46,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4edfce84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:36:46, skipping insertion in model container [2018-09-18 12:36:46,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:36:46" (3/3) ... [2018-09-18 12:36:46,332 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label52_true-unreach-call.c [2018-09-18 12:36:46,342 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 12:36:46,356 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 12:36:46,424 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 12:36:46,425 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 12:36:46,425 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 12:36:46,425 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 12:36:46,426 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 12:36:46,426 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 12:36:46,426 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 12:36:46,426 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 12:36:46,426 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 12:36:46,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-18 12:36:46,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-18 12:36:46,485 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:36:46,487 INFO L376 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] [2018-09-18 12:36:46,488 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:36:46,493 INFO L82 PathProgramCache]: Analyzing trace with hash 286172164, now seen corresponding path program 1 times [2018-09-18 12:36:46,496 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:36:46,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:36:46,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:36:46,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:36:46,546 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:36:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:36:47,002 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:36:47,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:36:47,168 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:36:47,168 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 12:36:47,168 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:36:47,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 12:36:47,190 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 12:36:47,191 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:36:47,194 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-18 12:37:06,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:37:06,453 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-09-18 12:37:06,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 12:37:06,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-09-18 12:37:06,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:37:06,511 INFO L225 Difference]: With dead ends: 4998 [2018-09-18 12:37:06,511 INFO L226 Difference]: Without dead ends: 3218 [2018-09-18 12:37:06,529 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:37:06,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-09-18 12:37:06,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-09-18 12:37:06,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-09-18 12:37:06,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-09-18 12:37:06,733 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 62 [2018-09-18 12:37:06,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:37:06,734 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-09-18 12:37:06,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 12:37:06,734 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-09-18 12:37:06,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-18 12:37:06,742 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:37:06,743 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:37:06,743 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:37:06,743 INFO L82 PathProgramCache]: Analyzing trace with hash 455722041, now seen corresponding path program 1 times [2018-09-18 12:37:06,744 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:37:06,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:06,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:37:06,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:06,745 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:37:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:37:07,116 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:37:07,510 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:37:07,511 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:37:07,511 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:37:07,512 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:37:07,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:37:07,514 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:37:07,514 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:37:07,515 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-09-18 12:37:36,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:37:36,651 INFO L93 Difference]: Finished difference Result 10761 states and 19806 transitions. [2018-09-18 12:37:36,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:37:36,652 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-09-18 12:37:36,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:37:36,700 INFO L225 Difference]: With dead ends: 10761 [2018-09-18 12:37:36,700 INFO L226 Difference]: Without dead ends: 7552 [2018-09-18 12:37:36,715 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:37:36,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7552 states. [2018-09-18 12:37:36,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7552 to 7515. [2018-09-18 12:37:36,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7515 states. [2018-09-18 12:37:36,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7515 states to 7515 states and 12487 transitions. [2018-09-18 12:37:36,967 INFO L78 Accepts]: Start accepts. Automaton has 7515 states and 12487 transitions. Word has length 134 [2018-09-18 12:37:36,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:37:36,968 INFO L480 AbstractCegarLoop]: Abstraction has 7515 states and 12487 transitions. [2018-09-18 12:37:36,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:37:36,968 INFO L276 IsEmpty]: Start isEmpty. Operand 7515 states and 12487 transitions. [2018-09-18 12:37:36,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-18 12:37:36,974 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:37:36,974 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:37:36,975 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:37:36,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1452331278, now seen corresponding path program 1 times [2018-09-18 12:37:36,975 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:37:36,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:36,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:37:36,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:36,984 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:37:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:37:37,297 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:37:37,297 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:37:37,298 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:37:37,298 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:37:37,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:37:37,299 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:37:37,299 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:37:37,299 INFO L87 Difference]: Start difference. First operand 7515 states and 12487 transitions. Second operand 6 states. [2018-09-18 12:38:01,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:38:01,349 INFO L93 Difference]: Finished difference Result 23939 states and 40137 transitions. [2018-09-18 12:38:01,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:38:01,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-09-18 12:38:01,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:38:01,448 INFO L225 Difference]: With dead ends: 23939 [2018-09-18 12:38:01,449 INFO L226 Difference]: Without dead ends: 16430 [2018-09-18 12:38:01,480 INFO L604 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 [2018-09-18 12:38:01,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16430 states. [2018-09-18 12:38:01,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16430 to 16247. [2018-09-18 12:38:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16247 states. [2018-09-18 12:38:01,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16247 states to 16247 states and 25410 transitions. [2018-09-18 12:38:01,912 INFO L78 Accepts]: Start accepts. Automaton has 16247 states and 25410 transitions. Word has length 136 [2018-09-18 12:38:01,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:38:01,912 INFO L480 AbstractCegarLoop]: Abstraction has 16247 states and 25410 transitions. [2018-09-18 12:38:01,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:38:01,913 INFO L276 IsEmpty]: Start isEmpty. Operand 16247 states and 25410 transitions. [2018-09-18 12:38:01,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-09-18 12:38:01,917 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:38:01,920 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:38:01,921 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:38:01,921 INFO L82 PathProgramCache]: Analyzing trace with hash -724154579, now seen corresponding path program 1 times [2018-09-18 12:38:01,921 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:38:01,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:38:01,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:38:01,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:38:01,923 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:38:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:38:02,445 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:38:02,446 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:38:02,446 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:38:02,446 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:38:02,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:38:02,447 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:38:02,447 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:38:02,448 INFO L87 Difference]: Start difference. First operand 16247 states and 25410 transitions. Second operand 6 states. [2018-09-18 12:38:46,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:38:46,427 INFO L93 Difference]: Finished difference Result 61566 states and 99995 transitions. [2018-09-18 12:38:46,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:38:46,427 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-09-18 12:38:46,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:38:46,625 INFO L225 Difference]: With dead ends: 61566 [2018-09-18 12:38:46,625 INFO L226 Difference]: Without dead ends: 45325 [2018-09-18 12:38:46,719 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-09-18 12:38:46,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45325 states. [2018-09-18 12:38:47,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45325 to 45227. [2018-09-18 12:38:47,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45227 states. [2018-09-18 12:38:47,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45227 states to 45227 states and 66745 transitions. [2018-09-18 12:38:47,864 INFO L78 Accepts]: Start accepts. Automaton has 45227 states and 66745 transitions. Word has length 158 [2018-09-18 12:38:47,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:38:47,865 INFO L480 AbstractCegarLoop]: Abstraction has 45227 states and 66745 transitions. [2018-09-18 12:38:47,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:38:47,865 INFO L276 IsEmpty]: Start isEmpty. Operand 45227 states and 66745 transitions. [2018-09-18 12:38:47,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-09-18 12:38:47,870 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:38:47,870 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:38:47,871 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:38:47,871 INFO L82 PathProgramCache]: Analyzing trace with hash 491943707, now seen corresponding path program 1 times [2018-09-18 12:38:47,871 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:38:47,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:38:47,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:38:47,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:38:47,872 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:38:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:38:48,249 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:38:48,250 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:38:48,250 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 12:38:48,250 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:38:48,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:38:48,251 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:38:48,251 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 12:38:48,255 INFO L87 Difference]: Start difference. First operand 45227 states and 66745 transitions. Second operand 5 states. [2018-09-18 12:39:21,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:39:21,058 INFO L93 Difference]: Finished difference Result 135622 states and 212081 transitions. [2018-09-18 12:39:21,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:39:21,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2018-09-18 12:39:21,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:39:21,393 INFO L225 Difference]: With dead ends: 135622 [2018-09-18 12:39:21,393 INFO L226 Difference]: Without dead ends: 90401 [2018-09-18 12:39:21,494 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:39:21,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90401 states. [2018-09-18 12:39:23,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90401 to 89675. [2018-09-18 12:39:23,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89675 states. [2018-09-18 12:39:23,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89675 states to 89675 states and 124733 transitions. [2018-09-18 12:39:23,305 INFO L78 Accepts]: Start accepts. Automaton has 89675 states and 124733 transitions. Word has length 167 [2018-09-18 12:39:23,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:39:23,306 INFO L480 AbstractCegarLoop]: Abstraction has 89675 states and 124733 transitions. [2018-09-18 12:39:23,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:39:23,306 INFO L276 IsEmpty]: Start isEmpty. Operand 89675 states and 124733 transitions. [2018-09-18 12:39:23,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-09-18 12:39:23,318 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:39:23,318 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:39:23,319 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:39:23,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1494786500, now seen corresponding path program 1 times [2018-09-18 12:39:23,319 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:39:23,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:39:23,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:39:23,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:39:23,321 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:39:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:39:23,616 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:39:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:39:24,046 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:39:24,046 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:39:24,046 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:39:24,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:39:24,048 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:39:24,048 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:39:24,048 INFO L87 Difference]: Start difference. First operand 89675 states and 124733 transitions. Second operand 6 states. [2018-09-18 12:39:48,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:39:48,099 INFO L93 Difference]: Finished difference Result 211032 states and 310496 transitions. [2018-09-18 12:39:48,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:39:48,102 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2018-09-18 12:39:48,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:39:48,500 INFO L225 Difference]: With dead ends: 211032 [2018-09-18 12:39:48,500 INFO L226 Difference]: Without dead ends: 121363 [2018-09-18 12:39:48,691 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:39:48,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121363 states. [2018-09-18 12:39:50,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121363 to 121003. [2018-09-18 12:39:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121003 states. [2018-09-18 12:39:50,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121003 states to 121003 states and 164415 transitions. [2018-09-18 12:39:50,857 INFO L78 Accepts]: Start accepts. Automaton has 121003 states and 164415 transitions. Word has length 195 [2018-09-18 12:39:50,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:39:50,859 INFO L480 AbstractCegarLoop]: Abstraction has 121003 states and 164415 transitions. [2018-09-18 12:39:50,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:39:50,859 INFO L276 IsEmpty]: Start isEmpty. Operand 121003 states and 164415 transitions. [2018-09-18 12:39:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-09-18 12:39:50,868 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:39:50,869 INFO L376 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, 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] [2018-09-18 12:39:50,869 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:39:50,869 INFO L82 PathProgramCache]: Analyzing trace with hash -272986980, now seen corresponding path program 1 times [2018-09-18 12:39:50,870 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:39:50,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:39:50,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:39:50,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:39:50,874 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:39:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:39:51,131 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:39:51,261 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 110 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:39:51,261 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:39:51,261 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:39:51,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:39:51,273 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:39:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:39:51,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:39:51,475 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-18 12:39:51,476 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:39:51,884 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-18 12:39:51,917 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 12:39:51,917 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-09-18 12:39:51,917 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:39:51,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 12:39:51,918 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 12:39:51,919 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:39:51,919 INFO L87 Difference]: Start difference. First operand 121003 states and 164415 transitions. Second operand 3 states. [2018-09-18 12:40:08,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:40:08,720 INFO L93 Difference]: Finished difference Result 291561 states and 411503 transitions. [2018-09-18 12:40:08,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 12:40:08,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2018-09-18 12:40:08,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:40:09,418 INFO L225 Difference]: With dead ends: 291561 [2018-09-18 12:40:09,419 INFO L226 Difference]: Without dead ends: 170564 [2018-09-18 12:40:09,727 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 465 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:40:09,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170564 states. Received shutdown request... [2018-09-18 12:40:14,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170564 to 170381. [2018-09-18 12:40:14,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170381 states. [2018-09-18 12:40:14,132 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 12:40:14,138 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 12:40:14,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 12:40:14 BoogieIcfgContainer [2018-09-18 12:40:14,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 12:40:14,139 INFO L168 Benchmark]: Toolchain (without parser) took 233021.70 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 72.7 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-09-18 12:40:14,142 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 12:40:14,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3965.96 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 198.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -119.1 MB). Peak memory consumption was 489.9 MB. Max. memory is 7.1 GB. [2018-09-18 12:40:14,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 325.98 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 7.1 GB. [2018-09-18 12:40:14,144 INFO L168 Benchmark]: Boogie Preprocessor took 1783.68 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 871.9 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -897.9 MB). Peak memory consumption was 126.1 MB. Max. memory is 7.1 GB. [2018-09-18 12:40:14,145 INFO L168 Benchmark]: RCFGBuilder took 19125.48 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 252.2 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 143.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-18 12:40:14,146 INFO L168 Benchmark]: TraceAbstraction took 207813.29 ms. Allocated memory was 2.8 GB in the beginning and 3.4 GB in the end (delta: 598.7 MB). Free memory was 2.2 GB in the beginning and 1.3 GB in the end (delta: 881.4 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-09-18 12:40:14,156 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3965.96 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 198.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -119.1 MB). Peak memory consumption was 489.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 325.98 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1783.68 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 871.9 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -897.9 MB). Peak memory consumption was 126.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 19125.48 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 252.2 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 143.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 207813.29 ms. Allocated memory was 2.8 GB in the beginning and 3.4 GB in the end (delta: 598.7 MB). Free memory was 2.2 GB in the beginning and 1.3 GB in the end (delta: 881.4 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 181]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 181). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 207.7s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 192.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5328 SDtfs, 36829 SDslu, 4512 SDs, 0 SdLazy, 70494 SolverSat, 17060 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 164.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 524 GetRequests, 479 SyntacticMatches, 6 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121003occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 10.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 1407 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1318 NumberOfCodeBlocks, 1318 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1542 ConstructedInterpolants, 0 QuantifiedInterpolants, 820454 SizeOfPredicates, 1 NumberOfNonLiveVariables, 446 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 750/815 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label52_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_12-40-14-183.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label52_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_12-40-14-183.csv Completed graceful shutdown