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/Problem10_label53_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 19:25:38,865 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 19:25:38,868 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 19:25:38,888 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 19:25:38,889 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 19:25:38,890 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 19:25:38,892 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 19:25:38,894 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 19:25:38,896 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 19:25:38,897 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 19:25:38,898 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 19:25:38,898 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 19:25:38,901 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 19:25:38,902 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 19:25:38,903 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 19:25:38,904 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 19:25:38,913 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 19:25:38,918 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 19:25:38,921 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 19:25:38,925 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 19:25:38,927 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 19:25:38,930 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 19:25:38,932 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 19:25:38,932 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 19:25:38,936 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 19:25:38,937 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 19:25:38,938 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 19:25:38,938 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 19:25:38,939 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 19:25:38,943 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 19:25:38,943 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 19:25:38,944 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 19:25:38,944 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 19:25:38,944 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 19:25:38,945 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 19:25:38,946 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 19:25:38,946 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 [2018-09-15 19:25:38,972 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 19:25:38,972 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 19:25:38,973 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 19:25:38,973 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 19:25:38,973 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 19:25:38,974 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 19:25:38,974 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 19:25:38,974 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 19:25:38,974 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 19:25:38,974 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 19:25:38,975 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 19:25:38,975 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 19:25:38,975 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 19:25:38,976 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 19:25:38,976 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 19:25:38,976 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 19:25:38,976 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 19:25:38,976 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 19:25:38,977 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 19:25:38,977 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 19:25:38,977 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 19:25:38,977 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 19:25:38,978 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 19:25:38,978 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 19:25:38,978 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 19:25:38,978 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 19:25:38,978 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 19:25:38,979 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 19:25:38,979 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 19:25:38,979 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 19:25:38,979 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 19:25:38,979 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 19:25:38,979 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 19:25:38,980 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 19:25:39,025 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 19:25:39,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 19:25:39,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 19:25:39,045 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 19:25:39,045 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 19:25:39,046 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label53_true-unreach-call.c [2018-09-15 19:25:39,393 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/715b93a0f/2affbe38bb0b4744bb5ea35e2141e7d3/FLAG9c36e1c9c [2018-09-15 19:25:39,746 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 19:25:39,747 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label53_true-unreach-call.c [2018-09-15 19:25:39,762 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/715b93a0f/2affbe38bb0b4744bb5ea35e2141e7d3/FLAG9c36e1c9c [2018-09-15 19:25:39,778 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/715b93a0f/2affbe38bb0b4744bb5ea35e2141e7d3 [2018-09-15 19:25:39,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 19:25:39,793 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 19:25:39,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 19:25:39,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 19:25:39,801 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 19:25:39,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:25:39" (1/1) ... [2018-09-15 19:25:39,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b1759e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:25:39, skipping insertion in model container [2018-09-15 19:25:39,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:25:39" (1/1) ... [2018-09-15 19:25:39,818 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 19:25:40,294 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:25:40,321 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 19:25:40,487 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:25:40,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:25:40 WrapperNode [2018-09-15 19:25:40,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 19:25:40,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 19:25:40,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 19:25:40,545 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 19:25:40,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:25:40" (1/1) ... [2018-09-15 19:25:40,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:25:40" (1/1) ... [2018-09-15 19:25:40,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 19:25:40,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 19:25:40,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 19:25:40,668 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 19:25:40,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:25:40" (1/1) ... [2018-09-15 19:25:40,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:25:40" (1/1) ... [2018-09-15 19:25:40,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:25:40" (1/1) ... [2018-09-15 19:25:40,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:25:40" (1/1) ... [2018-09-15 19:25:40,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:25:40" (1/1) ... [2018-09-15 19:25:40,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:25:40" (1/1) ... [2018-09-15 19:25:40,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:25:40" (1/1) ... [2018-09-15 19:25:40,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 19:25:40,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 19:25:40,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 19:25:40,958 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 19:25:40,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:25:40" (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 [2018-09-15 19:25:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 19:25:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 19:25:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 19:25:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 19:25:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 19:25:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 19:25:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 19:25:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 19:25:44,592 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 19:25:44,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:25:44 BoogieIcfgContainer [2018-09-15 19:25:44,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 19:25:44,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 19:25:44,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 19:25:44,600 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 19:25:44,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 07:25:39" (1/3) ... [2018-09-15 19:25:44,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783b11e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:25:44, skipping insertion in model container [2018-09-15 19:25:44,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:25:40" (2/3) ... [2018-09-15 19:25:44,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783b11e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:25:44, skipping insertion in model container [2018-09-15 19:25:44,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:25:44" (3/3) ... [2018-09-15 19:25:44,606 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label53_true-unreach-call.c [2018-09-15 19:25:44,618 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 19:25:44,632 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 19:25:44,694 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 19:25:44,695 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 19:25:44,695 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 19:25:44,695 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 19:25:44,695 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 19:25:44,696 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 19:25:44,696 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 19:25:44,696 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 19:25:44,696 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 19:25:44,724 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-15 19:25:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-15 19:25:44,734 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:25:44,736 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] [2018-09-15 19:25:44,737 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:25:44,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1566545735, now seen corresponding path program 1 times [2018-09-15 19:25:44,746 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:25:44,747 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 50 with the following transitions: [2018-09-15 19:25:44,750 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [796], [800], [806], [810], [817], [818], [819], [821] [2018-09-15 19:25:44,834 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:25:44,835 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:25:46,087 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:25:46,089 INFO L272 AbstractInterpreter]: Visited 48 different actions 48 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 19:25:46,104 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:25:46,676 INFO L232 lantSequenceWeakener]: Weakened 47 states. On average, predicates are now at 75.6% of their original sizes. [2018-09-15 19:25:46,676 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:25:46,960 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:25:46,962 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:25:46,962 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 19:25:46,963 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:25:46,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 19:25:46,977 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 19:25:46,977 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:25:46,980 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 6 states. [2018-09-15 19:25:51,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:25:51,068 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-09-15 19:25:51,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 19:25:51,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-09-15 19:25:51,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:25:51,088 INFO L225 Difference]: With dead ends: 576 [2018-09-15 19:25:51,088 INFO L226 Difference]: Without dead ends: 358 [2018-09-15 19:25:51,097 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:25:51,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-09-15 19:25:51,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-09-15 19:25:51,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-15 19:25:51,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-09-15 19:25:51,178 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 49 [2018-09-15 19:25:51,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:25:51,179 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-09-15 19:25:51,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 19:25:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-09-15 19:25:51,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-15 19:25:51,189 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:25:51,189 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:25:51,191 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:25:51,192 INFO L82 PathProgramCache]: Analyzing trace with hash 491983275, now seen corresponding path program 1 times [2018-09-15 19:25:51,192 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:25:51,193 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 121 with the following transitions: [2018-09-15 19:25:51,193 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [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], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:25:51,204 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:25:51,205 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:25:52,626 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:25:55,127 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:25:55,127 INFO L272 AbstractInterpreter]: Visited 78 different actions 150 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 19:25:55,142 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:25:56,821 INFO L232 lantSequenceWeakener]: Weakened 118 states. On average, predicates are now at 73.99% of their original sizes. [2018-09-15 19:25:56,822 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:25:57,711 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:25:57,711 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:25:57,711 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-15 19:25:57,711 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:25:57,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-15 19:25:57,713 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-15 19:25:57,713 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-15 19:25:57,713 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 10 states. [2018-09-15 19:26:04,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:26:04,572 INFO L93 Difference]: Finished difference Result 711 states and 1126 transitions. [2018-09-15 19:26:04,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-15 19:26:04,574 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 120 [2018-09-15 19:26:04,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:26:04,581 INFO L225 Difference]: With dead ends: 711 [2018-09-15 19:26:04,581 INFO L226 Difference]: Without dead ends: 505 [2018-09-15 19:26:04,584 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 126 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-15 19:26:04,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-09-15 19:26:04,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 502. [2018-09-15 19:26:04,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2018-09-15 19:26:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 655 transitions. [2018-09-15 19:26:04,625 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 655 transitions. Word has length 120 [2018-09-15 19:26:04,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:26:04,626 INFO L480 AbstractCegarLoop]: Abstraction has 502 states and 655 transitions. [2018-09-15 19:26:04,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-15 19:26:04,626 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 655 transitions. [2018-09-15 19:26:04,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-15 19:26:04,630 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:26:04,630 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:26:04,631 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:26:04,631 INFO L82 PathProgramCache]: Analyzing trace with hash -126115612, now seen corresponding path program 1 times [2018-09-15 19:26:04,631 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:26:04,631 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 130 with the following transitions: [2018-09-15 19:26:04,632 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [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], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:26:04,637 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:26:04,637 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:26:09,990 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:26:09,990 INFO L272 AbstractInterpreter]: Visited 87 different actions 167 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 19:26:10,000 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:26:10,899 INFO L232 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 73.9% of their original sizes. [2018-09-15 19:26:10,900 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:26:11,463 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:26:11,464 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:26:11,464 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:26:11,464 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:26:11,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:26:11,465 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:26:11,465 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:26:11,466 INFO L87 Difference]: Start difference. First operand 502 states and 655 transitions. Second operand 12 states. [2018-09-15 19:26:22,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:26:22,065 INFO L93 Difference]: Finished difference Result 1002 states and 1569 transitions. [2018-09-15 19:26:22,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 19:26:22,066 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 129 [2018-09-15 19:26:22,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:26:22,071 INFO L225 Difference]: With dead ends: 1002 [2018-09-15 19:26:22,071 INFO L226 Difference]: Without dead ends: 796 [2018-09-15 19:26:22,073 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 136 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-09-15 19:26:22,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2018-09-15 19:26:22,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 793. [2018-09-15 19:26:22,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-09-15 19:26:22,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 962 transitions. [2018-09-15 19:26:22,117 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 962 transitions. Word has length 129 [2018-09-15 19:26:22,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:26:22,118 INFO L480 AbstractCegarLoop]: Abstraction has 793 states and 962 transitions. [2018-09-15 19:26:22,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:26:22,119 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 962 transitions. [2018-09-15 19:26:22,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-09-15 19:26:22,124 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:26:22,125 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:26:22,125 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:26:22,125 INFO L82 PathProgramCache]: Analyzing trace with hash -2004733972, now seen corresponding path program 1 times [2018-09-15 19:26:22,125 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:26:22,126 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-09-15 19:26:22,126 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [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], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:26:22,132 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:26:22,132 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:26:25,986 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:26:36,441 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:26:36,442 INFO L272 AbstractInterpreter]: Visited 123 different actions 356 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 19:26:36,451 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:26:38,635 INFO L232 lantSequenceWeakener]: Weakened 163 states. On average, predicates are now at 73.64% of their original sizes. [2018-09-15 19:26:38,636 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:26:39,396 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:26:39,397 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:26:39,397 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-15 19:26:39,397 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:26:39,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-15 19:26:39,398 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-15 19:26:39,398 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-15 19:26:39,399 INFO L87 Difference]: Start difference. First operand 793 states and 962 transitions. Second operand 14 states. [2018-09-15 19:26:52,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:26:52,583 INFO L93 Difference]: Finished difference Result 1161 states and 1610 transitions. [2018-09-15 19:26:52,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-15 19:26:52,584 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 165 [2018-09-15 19:26:52,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:26:52,590 INFO L225 Difference]: With dead ends: 1161 [2018-09-15 19:26:52,590 INFO L226 Difference]: Without dead ends: 955 [2018-09-15 19:26:52,592 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 176 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=154, Invalid=496, Unknown=0, NotChecked=0, Total=650 [2018-09-15 19:26:52,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2018-09-15 19:26:52,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 943. [2018-09-15 19:26:52,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 943 states. [2018-09-15 19:26:52,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1137 transitions. [2018-09-15 19:26:52,636 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1137 transitions. Word has length 165 [2018-09-15 19:26:52,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:26:52,637 INFO L480 AbstractCegarLoop]: Abstraction has 943 states and 1137 transitions. [2018-09-15 19:26:52,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-15 19:26:52,637 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1137 transitions. [2018-09-15 19:26:52,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-09-15 19:26:52,641 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:26:52,641 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:26:52,641 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:26:52,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1107798485, now seen corresponding path program 1 times [2018-09-15 19:26:52,642 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:26:52,642 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-09-15 19:26:52,642 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [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], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:26:52,648 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:26:52,649 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:27:05,431 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:27:05,431 INFO L272 AbstractInterpreter]: Visited 142 different actions 278 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 19:27:05,439 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:27:07,034 INFO L232 lantSequenceWeakener]: Weakened 182 states. On average, predicates are now at 73.54% of their original sizes. [2018-09-15 19:27:07,035 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:27:08,401 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:27:08,402 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:27:08,402 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-15 19:27:08,402 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:27:08,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-15 19:27:08,403 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-15 19:27:08,403 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2018-09-15 19:27:08,403 INFO L87 Difference]: Start difference. First operand 943 states and 1137 transitions. Second operand 18 states. [2018-09-15 19:27:20,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:27:20,271 INFO L93 Difference]: Finished difference Result 1561 states and 2167 transitions. [2018-09-15 19:27:20,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-09-15 19:27:20,273 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 184 [2018-09-15 19:27:20,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:27:20,281 INFO L225 Difference]: With dead ends: 1561 [2018-09-15 19:27:20,281 INFO L226 Difference]: Without dead ends: 1207 [2018-09-15 19:27:20,284 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=287, Invalid=903, Unknown=0, NotChecked=0, Total=1190 [2018-09-15 19:27:20,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2018-09-15 19:27:20,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1205. [2018-09-15 19:27:20,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2018-09-15 19:27:20,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1418 transitions. [2018-09-15 19:27:20,347 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1418 transitions. Word has length 184 [2018-09-15 19:27:20,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:27:20,348 INFO L480 AbstractCegarLoop]: Abstraction has 1205 states and 1418 transitions. [2018-09-15 19:27:20,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-15 19:27:20,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1418 transitions. [2018-09-15 19:27:20,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-09-15 19:27:20,351 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:27:20,352 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, 2, 2, 2, 2, 2, 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] [2018-09-15 19:27:20,352 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:27:20,352 INFO L82 PathProgramCache]: Analyzing trace with hash -2054425074, now seen corresponding path program 1 times [2018-09-15 19:27:20,353 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:27:20,353 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-09-15 19:27:20,353 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [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], [498], [499], [503], [507], [511], [515], [518], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:27:20,356 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:27:20,356 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:27:21,691 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:27:28,285 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:27:28,286 INFO L272 AbstractInterpreter]: Visited 84 different actions 244 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-15 19:27:28,294 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:27:29,877 INFO L232 lantSequenceWeakener]: Weakened 194 states. On average, predicates are now at 73.55% of their original sizes. [2018-09-15 19:27:29,877 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:27:30,441 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:27:30,442 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:27:30,442 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 19:27:30,442 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:27:30,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 19:27:30,443 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 19:27:30,443 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 19:27:30,444 INFO L87 Difference]: Start difference. First operand 1205 states and 1418 transitions. Second operand 11 states. [2018-09-15 19:27:38,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:27:38,797 INFO L93 Difference]: Finished difference Result 1717 states and 2233 transitions. [2018-09-15 19:27:38,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-15 19:27:38,797 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 196 [2018-09-15 19:27:38,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:27:38,804 INFO L225 Difference]: With dead ends: 1717 [2018-09-15 19:27:38,805 INFO L226 Difference]: Without dead ends: 1363 [2018-09-15 19:27:38,807 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 205 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:27:38,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2018-09-15 19:27:38,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1353. [2018-09-15 19:27:38,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1353 states. [2018-09-15 19:27:38,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1584 transitions. [2018-09-15 19:27:38,863 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1584 transitions. Word has length 196 [2018-09-15 19:27:38,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:27:38,864 INFO L480 AbstractCegarLoop]: Abstraction has 1353 states and 1584 transitions. [2018-09-15 19:27:38,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 19:27:38,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1584 transitions. [2018-09-15 19:27:38,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-09-15 19:27:38,867 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:27:38,868 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, 2, 2, 2, 2, 2, 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] [2018-09-15 19:27:38,868 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:27:38,868 INFO L82 PathProgramCache]: Analyzing trace with hash 307336662, now seen corresponding path program 1 times [2018-09-15 19:27:38,868 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:27:38,869 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-09-15 19:27:38,869 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [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], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:27:38,872 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:27:38,872 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:27:40,107 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:27:55,249 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:27:55,249 INFO L272 AbstractInterpreter]: Visited 88 different actions 511 times. Merged at 7 different actions 38 times. Widened at 1 different actions 1 times. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-15 19:27:55,257 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:27:56,910 INFO L232 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 73.54% of their original sizes. [2018-09-15 19:27:56,910 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:27:57,804 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:27:57,805 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:27:57,805 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-15 19:27:57,805 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:27:57,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-15 19:27:57,806 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-15 19:27:57,806 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2018-09-15 19:27:57,806 INFO L87 Difference]: Start difference. First operand 1353 states and 1584 transitions. Second operand 15 states. [2018-09-15 19:28:09,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:28:09,875 INFO L93 Difference]: Finished difference Result 2559 states and 3382 transitions. [2018-09-15 19:28:09,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 19:28:09,892 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 200 [2018-09-15 19:28:09,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:28:09,902 INFO L225 Difference]: With dead ends: 2559 [2018-09-15 19:28:09,903 INFO L226 Difference]: Without dead ends: 2057 [2018-09-15 19:28:09,906 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 211 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2018-09-15 19:28:09,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2018-09-15 19:28:09,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2037. [2018-09-15 19:28:09,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2037 states. [2018-09-15 19:28:10,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 2037 states and 2424 transitions. [2018-09-15 19:28:10,005 INFO L78 Accepts]: Start accepts. Automaton has 2037 states and 2424 transitions. Word has length 200 [2018-09-15 19:28:10,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:28:10,005 INFO L480 AbstractCegarLoop]: Abstraction has 2037 states and 2424 transitions. [2018-09-15 19:28:10,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-15 19:28:10,006 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2424 transitions. [2018-09-15 19:28:10,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-09-15 19:28:10,011 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:28:10,011 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, 2, 2, 2, 2, 2, 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] [2018-09-15 19:28:10,012 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:28:10,012 INFO L82 PathProgramCache]: Analyzing trace with hash -668828691, now seen corresponding path program 1 times [2018-09-15 19:28:10,012 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:28:10,012 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-09-15 19:28:10,013 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [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], [498], [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], [659], [663], [666], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:28:10,016 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:28:10,017 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:28:11,307 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:28:28,056 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:28:28,056 INFO L272 AbstractInterpreter]: Visited 121 different actions 356 times. Merged at 7 different actions 15 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-15 19:28:28,063 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:28:30,719 INFO L232 lantSequenceWeakener]: Weakened 231 states. On average, predicates are now at 73.42% of their original sizes. [2018-09-15 19:28:30,719 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:28:32,377 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:28:32,377 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:28:32,378 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-09-15 19:28:32,378 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:28:32,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-09-15 19:28:32,378 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-09-15 19:28:32,379 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2018-09-15 19:28:32,379 INFO L87 Difference]: Start difference. First operand 2037 states and 2424 transitions. Second operand 19 states. [2018-09-15 19:28:48,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:28:48,876 INFO L93 Difference]: Finished difference Result 4438 states and 5613 transitions. [2018-09-15 19:28:48,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-15 19:28:48,876 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 233 [2018-09-15 19:28:48,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:28:48,890 INFO L225 Difference]: With dead ends: 4438 [2018-09-15 19:28:48,890 INFO L226 Difference]: Without dead ends: 2961 [2018-09-15 19:28:48,896 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 251 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=341, Invalid=1065, Unknown=0, NotChecked=0, Total=1406 [2018-09-15 19:28:48,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2961 states. [2018-09-15 19:28:49,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2961 to 2897. [2018-09-15 19:28:49,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2897 states. [2018-09-15 19:28:49,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 3445 transitions. [2018-09-15 19:28:49,047 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 3445 transitions. Word has length 233 [2018-09-15 19:28:49,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:28:49,048 INFO L480 AbstractCegarLoop]: Abstraction has 2897 states and 3445 transitions. [2018-09-15 19:28:49,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-09-15 19:28:49,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 3445 transitions. [2018-09-15 19:28:49,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-09-15 19:28:49,054 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:28:49,055 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, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 19:28:49,055 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:28:49,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1625875972, now seen corresponding path program 1 times [2018-09-15 19:28:49,056 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:28:49,056 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 239 with the following transitions: [2018-09-15 19:28:49,056 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [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], [506], [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], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:28:49,060 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:28:49,060 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:28:53,576 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:29:18,700 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:29:18,701 INFO L272 AbstractInterpreter]: Visited 124 different actions 604 times. Merged at 7 different actions 28 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-15 19:29:18,709 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:29:21,250 INFO L232 lantSequenceWeakener]: Weakened 236 states. On average, predicates are now at 73.41% of their original sizes. [2018-09-15 19:29:21,251 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:29:25,044 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:29:25,044 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:29:25,044 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-09-15 19:29:25,044 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:29:25,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-09-15 19:29:25,045 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-09-15 19:29:25,045 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2018-09-15 19:29:25,045 INFO L87 Difference]: Start difference. First operand 2897 states and 3445 transitions. Second operand 17 states. [2018-09-15 19:29:34,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:29:34,010 INFO L93 Difference]: Finished difference Result 5136 states and 6327 transitions. [2018-09-15 19:29:34,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-15 19:29:34,011 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 238 [2018-09-15 19:29:34,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:29:34,026 INFO L225 Difference]: With dead ends: 5136 [2018-09-15 19:29:34,027 INFO L226 Difference]: Without dead ends: 3090 [2018-09-15 19:29:34,035 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 251 GetRequests, 211 SyntacticMatches, 11 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=236, Invalid=694, Unknown=0, NotChecked=0, Total=930 [2018-09-15 19:29:34,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3090 states. [2018-09-15 19:29:34,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3090 to 3049. [2018-09-15 19:29:34,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3049 states. [2018-09-15 19:29:34,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3049 states to 3049 states and 3644 transitions. [2018-09-15 19:29:34,245 INFO L78 Accepts]: Start accepts. Automaton has 3049 states and 3644 transitions. Word has length 238 [2018-09-15 19:29:34,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:29:34,246 INFO L480 AbstractCegarLoop]: Abstraction has 3049 states and 3644 transitions. [2018-09-15 19:29:34,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-09-15 19:29:34,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3049 states and 3644 transitions. [2018-09-15 19:29:34,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-09-15 19:29:34,258 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:29:34,259 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 19:29:34,259 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:29:34,259 INFO L82 PathProgramCache]: Analyzing trace with hash 427059827, now seen corresponding path program 1 times [2018-09-15 19:29:34,260 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:29:34,260 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-09-15 19:29:34,261 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [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], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 19:29:34,265 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:29:34,265 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:29:38,335 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:29:58,813 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:29:58,814 INFO L272 AbstractInterpreter]: Visited 124 different actions 605 times. Merged at 7 different actions 29 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-15 19:29:58,817 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:30:01,189 INFO L232 lantSequenceWeakener]: Weakened 241 states. On average, predicates are now at 73.39% of their original sizes. [2018-09-15 19:30:01,189 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:30:01,824 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:30:01,824 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:30:01,825 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 19:30:01,825 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:30:01,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 19:30:01,825 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 19:30:01,826 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-15 19:30:01,826 INFO L87 Difference]: Start difference. First operand 3049 states and 3644 transitions. Second operand 13 states. Received shutdown request... [2018-09-15 19:30:03,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-15 19:30:03,875 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 19:30:03,883 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 19:30:03,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 07:30:03 BoogieIcfgContainer [2018-09-15 19:30:03,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 19:30:03,885 INFO L168 Benchmark]: Toolchain (without parser) took 264093.43 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -195.7 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-09-15 19:30:03,887 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-09-15 19:30:03,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.30 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-15 19:30:03,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.81 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-15 19:30:03,889 INFO L168 Benchmark]: Boogie Preprocessor took 289.62 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 775.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -874.0 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2018-09-15 19:30:03,890 INFO L168 Benchmark]: RCFGBuilder took 3635.07 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: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2018-09-15 19:30:03,890 INFO L168 Benchmark]: TraceAbstraction took 259289.64 ms. Allocated memory was 2.3 GB in the beginning and 4.3 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 519.6 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-09-15 19:30:03,895 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 750.30 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 122.81 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 289.62 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 775.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -874.0 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3635.07 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: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 259289.64 ms. Allocated memory was 2.3 GB in the beginning and 4.3 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 519.6 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 130]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 130). Cancelled while BasicCegarLoop was constructing difference of abstraction (3049states) and FLOYD_HOARE automaton (currently 7 states, 13 states before enhancement), while ReachableStatesComputation was computing reachable states (110 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 259.1s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 94.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1812 SDtfs, 9165 SDslu, 3221 SDs, 0 SdLazy, 18655 SolverSat, 1923 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 81.1s Time, PredicateUnifierStatistics: 20 DeclaredPredicates, 1850 GetRequests, 1621 SyntacticMatches, 11 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1165 ImplicationChecksByTransitivity, 18.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3049occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 134.3s AbstIntTime, 10 AbstIntIterations, 10 AbstIntStrong, 0.9941223350701704 AbsIntWeakeningRatio, 0.12821980538065256 AbsIntAvgWeakeningVarsNumRemoved, 70.6124785346308 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 157 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/Problem10_label53_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_19-30-03-910.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label53_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_19-30-03-910.csv Completed graceful shutdown