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-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 10:41:20,091 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 10:41:20,093 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 10:41:20,106 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 10:41:20,106 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 10:41:20,108 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 10:41:20,109 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 10:41:20,111 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 10:41:20,112 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 10:41:20,113 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 10:41:20,114 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 10:41:20,114 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 10:41:20,115 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 10:41:20,116 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 10:41:20,119 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 10:41:20,121 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 10:41:20,122 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 10:41:20,124 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 10:41:20,127 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 10:41:20,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 10:41:20,130 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 10:41:20,131 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 10:41:20,134 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 10:41:20,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 10:41:20,134 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 10:41:20,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 10:41:20,136 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 10:41:20,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 10:41:20,138 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 10:41:20,139 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 10:41:20,140 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 10:41:20,141 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 10:41:20,143 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-19 10:41:20,179 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 10:41:20,180 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 10:41:20,182 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 10:41:20,182 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 10:41:20,182 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 10:41:20,182 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 10:41:20,183 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 10:41:20,183 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 10:41:20,183 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 10:41:20,183 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 10:41:20,183 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 10:41:20,184 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 10:41:20,184 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 10:41:20,185 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 10:41:20,185 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 10:41:20,185 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 10:41:20,186 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 10:41:20,187 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 10:41:20,187 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 10:41:20,187 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 10:41:20,187 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 10:41:20,187 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 10:41:20,188 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 10:41:20,188 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 10:41:20,188 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 10:41:20,188 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 10:41:20,189 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 10:41:20,189 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 10:41:20,189 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 10:41:20,189 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 10:41:20,190 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 10:41:20,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 10:41:20,190 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 10:41:20,190 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 10:41:20,190 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 10:41:20,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 10:41:20,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 10:41:20,264 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 10:41:20,266 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 10:41:20,266 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 10:41:20,267 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c [2018-09-19 10:41:20,655 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f14e0e4a/f969fe8af6d84c37a863d8bffe453ae3/FLAG0631e20f9 [2018-09-19 10:41:20,963 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 10:41:20,965 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c [2018-09-19 10:41:20,982 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f14e0e4a/f969fe8af6d84c37a863d8bffe453ae3/FLAG0631e20f9 [2018-09-19 10:41:21,012 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f14e0e4a/f969fe8af6d84c37a863d8bffe453ae3 [2018-09-19 10:41:21,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 10:41:21,024 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 10:41:21,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 10:41:21,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 10:41:21,034 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 10:41:21,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:41:21" (1/1) ... [2018-09-19 10:41:21,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6efa186f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:21, skipping insertion in model container [2018-09-19 10:41:21,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:41:21" (1/1) ... [2018-09-19 10:41:21,051 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 10:41:21,609 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:41:21,628 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 10:41:21,801 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:41:21,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:21 WrapperNode [2018-09-19 10:41:21,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 10:41:21,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 10:41:21,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 10:41:21,851 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 10:41:21,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:21" (1/1) ... [2018-09-19 10:41:21,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:21" (1/1) ... [2018-09-19 10:41:21,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 10:41:21,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 10:41:21,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 10:41:21,985 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 10:41:21,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:21" (1/1) ... [2018-09-19 10:41:21,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:21" (1/1) ... [2018-09-19 10:41:22,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:21" (1/1) ... [2018-09-19 10:41:22,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:21" (1/1) ... [2018-09-19 10:41:22,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:21" (1/1) ... [2018-09-19 10:41:22,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:21" (1/1) ... [2018-09-19 10:41:22,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:21" (1/1) ... [2018-09-19 10:41:22,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 10:41:22,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 10:41:22,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 10:41:22,349 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 10:41:22,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:21" (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 [2018-09-19 10:41:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 10:41:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 10:41:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 10:41:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 10:41:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 10:41:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 10:41:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 10:41:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 10:41:26,398 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 10:41:26,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:41:26 BoogieIcfgContainer [2018-09-19 10:41:26,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 10:41:26,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 10:41:26,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 10:41:26,408 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 10:41:26,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 10:41:21" (1/3) ... [2018-09-19 10:41:26,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783e9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:41:26, skipping insertion in model container [2018-09-19 10:41:26,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:21" (2/3) ... [2018-09-19 10:41:26,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783e9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:41:26, skipping insertion in model container [2018-09-19 10:41:26,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:41:26" (3/3) ... [2018-09-19 10:41:26,412 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label23_true-unreach-call_false-termination.c [2018-09-19 10:41:26,422 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 10:41:26,432 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 10:41:26,491 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 10:41:26,492 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 10:41:26,492 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 10:41:26,492 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 10:41:26,492 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 10:41:26,492 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 10:41:26,493 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 10:41:26,493 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 10:41:26,493 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 10:41:26,521 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-09-19 10:41:26,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-19 10:41:26,530 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:41:26,531 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] [2018-09-19 10:41:26,532 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:41:26,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1395557711, now seen corresponding path program 1 times [2018-09-19 10:41:26,540 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:41:26,541 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-09-19 10:41:26,544 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [952], [956], [962], [966], [973], [974], [975], [977] [2018-09-19 10:41:26,598 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:41:26,598 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:41:27,555 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:41:27,557 INFO L272 AbstractInterpreter]: Visited 38 different actions 38 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-19 10:41:27,570 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:41:28,022 INFO L232 lantSequenceWeakener]: Weakened 37 states. On average, predicates are now at 80.05% of their original sizes. [2018-09-19 10:41:28,022 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:41:28,299 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:41:28,301 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:41:28,301 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 10:41:28,301 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:41:28,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 10:41:28,316 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 10:41:28,317 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:41:28,320 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 6 states. [2018-09-19 10:41:31,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:41:31,939 INFO L93 Difference]: Finished difference Result 693 states and 1229 transitions. [2018-09-19 10:41:31,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 10:41:31,941 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2018-09-19 10:41:31,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:41:31,961 INFO L225 Difference]: With dead ends: 693 [2018-09-19 10:41:31,961 INFO L226 Difference]: Without dead ends: 436 [2018-09-19 10:41:31,970 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:41:31,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2018-09-19 10:41:32,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 434. [2018-09-19 10:41:32,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-09-19 10:41:32,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 615 transitions. [2018-09-19 10:41:32,054 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 615 transitions. Word has length 39 [2018-09-19 10:41:32,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:41:32,055 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 615 transitions. [2018-09-19 10:41:32,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 10:41:32,055 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 615 transitions. [2018-09-19 10:41:32,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-19 10:41:32,064 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:41:32,068 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:41:32,069 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:41:32,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1586647837, now seen corresponding path program 1 times [2018-09-19 10:41:32,070 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:41:32,071 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 125 with the following transitions: [2018-09-19 10:41:32,071 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:41:32,086 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:41:32,086 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:41:35,942 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:41:35,943 INFO L272 AbstractInterpreter]: Visited 92 different actions 177 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 10:41:35,977 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:41:36,893 INFO L232 lantSequenceWeakener]: Weakened 122 states. On average, predicates are now at 78.19% of their original sizes. [2018-09-19 10:41:36,894 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:41:37,681 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:41:37,681 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:41:37,682 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 10:41:37,682 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:41:37,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 10:41:37,684 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 10:41:37,684 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 10:41:37,685 INFO L87 Difference]: Start difference. First operand 434 states and 615 transitions. Second operand 14 states. [2018-09-19 10:41:49,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:41:49,564 INFO L93 Difference]: Finished difference Result 1340 states and 2335 transitions. [2018-09-19 10:41:49,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-19 10:41:49,565 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 124 [2018-09-19 10:41:49,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:41:49,576 INFO L225 Difference]: With dead ends: 1340 [2018-09-19 10:41:49,577 INFO L226 Difference]: Without dead ends: 1095 [2018-09-19 10:41:49,580 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 136 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2018-09-19 10:41:49,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2018-09-19 10:41:49,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 850. [2018-09-19 10:41:49,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2018-09-19 10:41:49,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1058 transitions. [2018-09-19 10:41:49,635 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1058 transitions. Word has length 124 [2018-09-19 10:41:49,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:41:49,636 INFO L480 AbstractCegarLoop]: Abstraction has 850 states and 1058 transitions. [2018-09-19 10:41:49,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 10:41:49,636 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1058 transitions. [2018-09-19 10:41:49,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-09-19 10:41:49,640 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:41:49,641 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:41:49,641 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:41:49,641 INFO L82 PathProgramCache]: Analyzing trace with hash -788501065, now seen corresponding path program 1 times [2018-09-19 10:41:49,642 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:41:49,642 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-09-19 10:41:49,642 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:41:49,648 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:41:49,648 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:41:54,738 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:41:54,738 INFO L272 AbstractInterpreter]: Visited 118 different actions 230 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 10:41:54,743 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:41:55,708 INFO L232 lantSequenceWeakener]: Weakened 148 states. On average, predicates are now at 78.03% of their original sizes. [2018-09-19 10:41:55,708 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:41:56,485 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:41:56,485 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:41:56,485 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:41:56,485 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:41:56,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:41:56,486 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:41:56,486 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:41:56,487 INFO L87 Difference]: Start difference. First operand 850 states and 1058 transitions. Second operand 11 states. [2018-09-19 10:42:01,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:42:01,646 INFO L93 Difference]: Finished difference Result 1283 states and 1842 transitions. [2018-09-19 10:42:01,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:42:01,648 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 150 [2018-09-19 10:42:01,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:42:01,658 INFO L225 Difference]: With dead ends: 1283 [2018-09-19 10:42:01,659 INFO L226 Difference]: Without dead ends: 1038 [2018-09-19 10:42:01,660 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-19 10:42:01,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2018-09-19 10:42:01,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1035. [2018-09-19 10:42:01,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2018-09-19 10:42:01,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1256 transitions. [2018-09-19 10:42:01,711 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1256 transitions. Word has length 150 [2018-09-19 10:42:01,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:42:01,712 INFO L480 AbstractCegarLoop]: Abstraction has 1035 states and 1256 transitions. [2018-09-19 10:42:01,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:42:01,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1256 transitions. [2018-09-19 10:42:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-09-19 10:42:01,729 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:42:01,730 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 10:42:01,730 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:42:01,730 INFO L82 PathProgramCache]: Analyzing trace with hash -9295547, now seen corresponding path program 1 times [2018-09-19 10:42:01,731 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:42:01,732 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 236 with the following transitions: [2018-09-19 10:42:01,732 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:42:01,738 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:42:01,738 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:42:08,909 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:42:08,910 INFO L272 AbstractInterpreter]: Visited 119 different actions 352 times. Merged at 7 different actions 17 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:42:08,914 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:42:10,149 INFO L232 lantSequenceWeakener]: Weakened 233 states. On average, predicates are now at 77.79% of their original sizes. [2018-09-19 10:42:10,150 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:42:10,633 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:42:10,634 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:42:10,634 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-19 10:42:10,634 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:42:10,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-19 10:42:10,635 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-19 10:42:10,635 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-19 10:42:10,636 INFO L87 Difference]: Start difference. First operand 1035 states and 1256 transitions. Second operand 15 states. [2018-09-19 10:42:21,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:42:21,938 INFO L93 Difference]: Finished difference Result 2597 states and 3738 transitions. [2018-09-19 10:42:21,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-19 10:42:21,942 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 235 [2018-09-19 10:42:21,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:42:21,953 INFO L225 Difference]: With dead ends: 2597 [2018-09-19 10:42:21,953 INFO L226 Difference]: Without dead ends: 1936 [2018-09-19 10:42:21,957 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 250 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=208, Invalid=722, Unknown=0, NotChecked=0, Total=930 [2018-09-19 10:42:21,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2018-09-19 10:42:22,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1469. [2018-09-19 10:42:22,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1469 states. [2018-09-19 10:42:22,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 1742 transitions. [2018-09-19 10:42:22,008 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 1742 transitions. Word has length 235 [2018-09-19 10:42:22,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:42:22,009 INFO L480 AbstractCegarLoop]: Abstraction has 1469 states and 1742 transitions. [2018-09-19 10:42:22,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-19 10:42:22,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1742 transitions. [2018-09-19 10:42:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-09-19 10:42:22,015 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:42:22,015 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 10:42:22,016 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:42:22,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1364256258, now seen corresponding path program 1 times [2018-09-19 10:42:22,016 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:42:22,017 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-09-19 10:42:22,017 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:42:22,024 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:42:22,024 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:42:26,970 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:42:35,659 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:42:35,659 INFO L272 AbstractInterpreter]: Visited 119 different actions 465 times. Merged at 7 different actions 22 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:42:35,666 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:42:37,221 INFO L232 lantSequenceWeakener]: Weakened 258 states. On average, predicates are now at 77.74% of their original sizes. [2018-09-19 10:42:37,221 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:42:37,709 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:42:37,709 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:42:37,710 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:42:37,710 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:42:37,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:42:37,710 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:42:37,711 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:42:37,711 INFO L87 Difference]: Start difference. First operand 1469 states and 1742 transitions. Second operand 10 states. [2018-09-19 10:42:45,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:42:45,752 INFO L93 Difference]: Finished difference Result 1908 states and 2532 transitions. [2018-09-19 10:42:45,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 10:42:45,754 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 260 [2018-09-19 10:42:45,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:42:45,765 INFO L225 Difference]: With dead ends: 1908 [2018-09-19 10:42:45,765 INFO L226 Difference]: Without dead ends: 1663 [2018-09-19 10:42:45,767 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 267 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 10:42:45,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2018-09-19 10:42:45,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1656. [2018-09-19 10:42:45,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2018-09-19 10:42:45,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 1960 transitions. [2018-09-19 10:42:45,824 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 1960 transitions. Word has length 260 [2018-09-19 10:42:45,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:42:45,825 INFO L480 AbstractCegarLoop]: Abstraction has 1656 states and 1960 transitions. [2018-09-19 10:42:45,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 10:42:45,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 1960 transitions. [2018-09-19 10:42:45,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-09-19 10:42:45,833 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:42:45,833 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:42:45,833 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:42:45,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1727944499, now seen corresponding path program 1 times [2018-09-19 10:42:45,834 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:42:45,834 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 339 with the following transitions: [2018-09-19 10:42:45,834 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:42:45,844 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:42:45,845 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:42:50,604 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:43:05,745 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:43:05,746 INFO L272 AbstractInterpreter]: Visited 120 different actions 709 times. Merged at 8 different actions 44 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:43:05,761 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:43:07,229 INFO L232 lantSequenceWeakener]: Weakened 336 states. On average, predicates are now at 77.66% of their original sizes. [2018-09-19 10:43:07,230 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:43:07,652 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:43:07,652 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:43:07,653 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 10:43:07,653 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:43:07,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 10:43:07,654 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 10:43:07,654 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-19 10:43:07,654 INFO L87 Difference]: Start difference. First operand 1656 states and 1960 transitions. Second operand 13 states. [2018-09-19 10:43:16,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:43:16,592 INFO L93 Difference]: Finished difference Result 2810 states and 3870 transitions. [2018-09-19 10:43:16,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-09-19 10:43:16,593 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 338 [2018-09-19 10:43:16,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:43:16,606 INFO L225 Difference]: With dead ends: 2810 [2018-09-19 10:43:16,607 INFO L226 Difference]: Without dead ends: 2378 [2018-09-19 10:43:16,611 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 354 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=180, Invalid=690, Unknown=0, NotChecked=0, Total=870 [2018-09-19 10:43:16,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2018-09-19 10:43:16,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 1863. [2018-09-19 10:43:16,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1863 states. [2018-09-19 10:43:16,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 2217 transitions. [2018-09-19 10:43:16,674 INFO L78 Accepts]: Start accepts. Automaton has 1863 states and 2217 transitions. Word has length 338 [2018-09-19 10:43:16,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:43:16,675 INFO L480 AbstractCegarLoop]: Abstraction has 1863 states and 2217 transitions. [2018-09-19 10:43:16,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 10:43:16,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2217 transitions. [2018-09-19 10:43:16,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-09-19 10:43:16,683 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:43:16,684 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:43:16,684 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:43:16,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1217125141, now seen corresponding path program 1 times [2018-09-19 10:43:16,685 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:43:16,685 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 343 with the following transitions: [2018-09-19 10:43:16,685 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [542], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:43:16,689 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:43:16,689 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:43:21,682 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:43:42,432 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:43:42,432 INFO L272 AbstractInterpreter]: Visited 120 different actions 945 times. Merged at 8 different actions 62 times. Widened at 1 different actions 3 times. Found 14 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:43:42,439 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:43:43,904 INFO L232 lantSequenceWeakener]: Weakened 340 states. On average, predicates are now at 77.66% of their original sizes. [2018-09-19 10:43:43,904 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:43:44,131 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:43:44,131 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:43:44,131 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:43:44,131 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:43:44,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:43:44,132 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:43:44,132 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:43:44,132 INFO L87 Difference]: Start difference. First operand 1863 states and 2217 transitions. Second operand 10 states. [2018-09-19 10:43:49,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:43:49,693 INFO L93 Difference]: Finished difference Result 2697 states and 3488 transitions. [2018-09-19 10:43:49,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 10:43:49,693 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 342 [2018-09-19 10:43:49,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:43:49,703 INFO L225 Difference]: With dead ends: 2697 [2018-09-19 10:43:49,703 INFO L226 Difference]: Without dead ends: 2058 [2018-09-19 10:43:49,706 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 349 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 10:43:49,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2058 states. [2018-09-19 10:43:49,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2058 to 2048. [2018-09-19 10:43:49,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2048 states. [2018-09-19 10:43:49,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 2435 transitions. [2018-09-19 10:43:49,768 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 2435 transitions. Word has length 342 [2018-09-19 10:43:49,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:43:49,769 INFO L480 AbstractCegarLoop]: Abstraction has 2048 states and 2435 transitions. [2018-09-19 10:43:49,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 10:43:49,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 2435 transitions. [2018-09-19 10:43:49,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-09-19 10:43:49,780 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:43:49,780 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:43:49,780 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:43:49,781 INFO L82 PathProgramCache]: Analyzing trace with hash 184345782, now seen corresponding path program 1 times [2018-09-19 10:43:49,781 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:43:49,781 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 364 with the following transitions: [2018-09-19 10:43:49,781 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [626], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:43:49,785 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:43:49,786 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:43:54,634 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:44:09,990 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:44:09,990 INFO L272 AbstractInterpreter]: Visited 120 different actions 709 times. Merged at 8 different actions 44 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:44:09,999 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:44:11,539 INFO L232 lantSequenceWeakener]: Weakened 361 states. On average, predicates are now at 77.63% of their original sizes. [2018-09-19 10:44:11,539 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:44:11,890 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:44:11,890 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:44:11,890 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 10:44:11,890 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:44:11,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 10:44:11,891 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 10:44:11,892 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-19 10:44:11,892 INFO L87 Difference]: Start difference. First operand 2048 states and 2435 transitions. Second operand 13 states. [2018-09-19 10:44:21,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:44:21,279 INFO L93 Difference]: Finished difference Result 3776 states and 5056 transitions. [2018-09-19 10:44:21,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-09-19 10:44:21,280 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 363 [2018-09-19 10:44:21,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:44:21,293 INFO L225 Difference]: With dead ends: 3776 [2018-09-19 10:44:21,294 INFO L226 Difference]: Without dead ends: 2952 [2018-09-19 10:44:21,298 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 379 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=180, Invalid=690, Unknown=0, NotChecked=0, Total=870 [2018-09-19 10:44:21,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2952 states. [2018-09-19 10:44:21,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2952 to 2259. [2018-09-19 10:44:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2259 states. [2018-09-19 10:44:21,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 2698 transitions. [2018-09-19 10:44:21,368 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 2698 transitions. Word has length 363 [2018-09-19 10:44:21,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:44:21,369 INFO L480 AbstractCegarLoop]: Abstraction has 2259 states and 2698 transitions. [2018-09-19 10:44:21,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 10:44:21,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2698 transitions. [2018-09-19 10:44:21,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-09-19 10:44:21,377 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:44:21,377 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:44:21,377 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:44:21,378 INFO L82 PathProgramCache]: Analyzing trace with hash 779471136, now seen corresponding path program 1 times [2018-09-19 10:44:21,378 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:44:21,378 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 421 with the following transitions: [2018-09-19 10:44:21,378 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [542], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:44:21,381 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:44:21,381 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:44:25,979 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:44:55,768 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:44:55,768 INFO L272 AbstractInterpreter]: Visited 121 different actions 1206 times. Merged at 9 different actions 95 times. Widened at 1 different actions 5 times. Found 26 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:44:55,774 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:44:57,603 INFO L232 lantSequenceWeakener]: Weakened 418 states. On average, predicates are now at 77.61% of their original sizes. [2018-09-19 10:44:57,604 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:44:57,986 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:44:57,986 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:44:57,987 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 10:44:57,987 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:44:57,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 10:44:57,988 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 10:44:57,988 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-19 10:44:57,989 INFO L87 Difference]: Start difference. First operand 2259 states and 2698 transitions. Second operand 13 states. [2018-09-19 10:45:06,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:45:06,945 INFO L93 Difference]: Finished difference Result 4198 states and 5457 transitions. [2018-09-19 10:45:06,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-09-19 10:45:06,946 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 420 [2018-09-19 10:45:06,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:45:06,959 INFO L225 Difference]: With dead ends: 4198 [2018-09-19 10:45:06,959 INFO L226 Difference]: Without dead ends: 3163 [2018-09-19 10:45:06,963 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 436 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=180, Invalid=690, Unknown=0, NotChecked=0, Total=870 [2018-09-19 10:45:06,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3163 states. [2018-09-19 10:45:07,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3163 to 2640. [2018-09-19 10:45:07,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2640 states. [2018-09-19 10:45:07,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 2640 states and 3179 transitions. [2018-09-19 10:45:07,045 INFO L78 Accepts]: Start accepts. Automaton has 2640 states and 3179 transitions. Word has length 420 [2018-09-19 10:45:07,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:45:07,046 INFO L480 AbstractCegarLoop]: Abstraction has 2640 states and 3179 transitions. [2018-09-19 10:45:07,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 10:45:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 3179 transitions. [2018-09-19 10:45:07,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-09-19 10:45:07,055 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:45:07,055 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-19 10:45:07,055 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:45:07,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1067562095, now seen corresponding path program 1 times [2018-09-19 10:45:07,056 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:45:07,056 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 421 with the following transitions: [2018-09-19 10:45:07,057 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [854], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-09-19 10:45:07,061 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:45:07,061 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:45:13,063 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:45:40,937 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:45:40,938 INFO L272 AbstractInterpreter]: Visited 169 different actions 1172 times. Merged at 8 different actions 55 times. Widened at 1 different actions 2 times. Found 12 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:45:40,947 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-19 10:45:42,713 INFO L232 lantSequenceWeakener]: Weakened 418 states. On average, predicates are now at 77.58% of their original sizes. [2018-09-19 10:45:42,713 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:45:42,726 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 10:45:42,731 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 10:45:42,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 10:45:42 BoogieIcfgContainer [2018-09-19 10:45:42,731 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 10:45:42,732 INFO L168 Benchmark]: Toolchain (without parser) took 261709.61 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -491.2 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-09-19 10:45:42,734 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 10:45:42,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-09-19 10:45:42,735 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 10:45:42,736 INFO L168 Benchmark]: Boogie Preprocessor took 363.94 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 787.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -883.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2018-09-19 10:45:42,737 INFO L168 Benchmark]: RCFGBuilder took 4050.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 130.2 MB). Peak memory consumption was 130.2 MB. Max. memory is 7.1 GB. [2018-09-19 10:45:42,738 INFO L168 Benchmark]: TraceAbstraction took 256330.69 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 198.4 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-19 10:45:42,743 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 824.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 133.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 363.94 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 787.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -883.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4050.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 130.2 MB). Peak memory consumption was 130.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 256330.69 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 198.4 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 100). Cancelled while BasicCegarLoop was analyzing trace of length 421 with TraceHistMax 4, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 256.2s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 73.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2047 SDtfs, 15980 SDslu, 2334 SDs, 0 SdLazy, 19071 SolverSat, 4780 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 62.4s Time, PredicateUnifierStatistics: 18 DeclaredPredicates, 2366 GetRequests, 2175 SyntacticMatches, 0 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2640occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 165.0s AbstIntTime, 10 AbstIntIterations, 10 AbstIntStrong, 0.99540777363175 AbsIntWeakeningRatio, 0.10145468108914583 AbsIntAvgWeakeningVarsNumRemoved, 903.6493845580007 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 2465 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, 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/Problem14_label23_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_10-45-42-758.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label23_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_10-45-42-758.csv Completed graceful shutdown