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/Problem11_label52_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 19:39:02,250 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 19:39:02,252 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 19:39:02,269 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 19:39:02,270 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 19:39:02,271 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 19:39:02,272 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 19:39:02,274 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 19:39:02,276 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 19:39:02,277 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 19:39:02,278 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 19:39:02,278 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 19:39:02,279 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 19:39:02,280 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 19:39:02,281 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 19:39:02,282 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 19:39:02,282 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 19:39:02,284 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 19:39:02,286 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 19:39:02,288 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 19:39:02,289 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 19:39:02,290 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 19:39:02,292 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 19:39:02,293 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 19:39:02,293 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 19:39:02,294 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 19:39:02,295 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 19:39:02,296 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 19:39:02,296 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 19:39:02,297 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 19:39:02,298 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 19:39:02,298 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 19:39:02,299 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 19:39:02,299 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 19:39:02,300 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 19:39:02,301 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 19:39:02,301 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 19:39:02,331 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 19:39:02,332 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 19:39:02,333 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 19:39:02,334 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 19:39:02,334 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 19:39:02,334 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 19:39:02,334 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 19:39:02,335 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 19:39:02,335 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 19:39:02,335 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 19:39:02,335 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 19:39:02,335 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 19:39:02,336 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 19:39:02,336 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 19:39:02,336 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 19:39:02,337 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 19:39:02,337 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 19:39:02,337 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 19:39:02,337 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 19:39:02,338 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 19:39:02,339 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 19:39:02,339 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 19:39:02,339 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 19:39:02,339 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 19:39:02,339 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 19:39:02,340 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 19:39:02,340 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 19:39:02,340 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 19:39:02,340 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 19:39:02,341 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 19:39:02,341 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 19:39:02,341 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 19:39:02,341 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 19:39:02,341 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 19:39:02,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 19:39:02,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 19:39:02,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 19:39:02,411 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 19:39:02,411 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 19:39:02,412 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label52_true-unreach-call.c [2018-09-15 19:39:02,745 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65e392649/12505a0e9dc549678cc9756fe770552c/FLAGbaac755e0 [2018-09-15 19:39:03,062 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 19:39:03,064 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label52_true-unreach-call.c [2018-09-15 19:39:03,082 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65e392649/12505a0e9dc549678cc9756fe770552c/FLAGbaac755e0 [2018-09-15 19:39:03,099 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65e392649/12505a0e9dc549678cc9756fe770552c [2018-09-15 19:39:03,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 19:39:03,114 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 19:39:03,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 19:39:03,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 19:39:03,125 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 19:39:03,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:39:03" (1/1) ... [2018-09-15 19:39:03,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:03, skipping insertion in model container [2018-09-15 19:39:03,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:39:03" (1/1) ... [2018-09-15 19:39:03,144 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 19:39:03,753 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:39:03,774 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 19:39:04,003 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:39:04,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:04 WrapperNode [2018-09-15 19:39:04,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 19:39:04,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 19:39:04,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 19:39:04,105 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 19:39:04,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:04" (1/1) ... [2018-09-15 19:39:04,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:04" (1/1) ... [2018-09-15 19:39:04,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 19:39:04,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 19:39:04,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 19:39:04,279 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 19:39:04,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:04" (1/1) ... [2018-09-15 19:39:04,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:04" (1/1) ... [2018-09-15 19:39:04,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:04" (1/1) ... [2018-09-15 19:39:04,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:04" (1/1) ... [2018-09-15 19:39:04,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:04" (1/1) ... [2018-09-15 19:39:04,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:04" (1/1) ... [2018-09-15 19:39:04,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:04" (1/1) ... [2018-09-15 19:39:04,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 19:39:04,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 19:39:04,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 19:39:04,636 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 19:39:04,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:04" (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 19:39:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 19:39:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 19:39:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 19:39:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 19:39:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 19:39:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 19:39:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 19:39:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 19:39:09,227 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 19:39:09,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:39:09 BoogieIcfgContainer [2018-09-15 19:39:09,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 19:39:09,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 19:39:09,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 19:39:09,232 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 19:39:09,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 07:39:03" (1/3) ... [2018-09-15 19:39:09,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277ba62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:39:09, skipping insertion in model container [2018-09-15 19:39:09,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:04" (2/3) ... [2018-09-15 19:39:09,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277ba62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:39:09, skipping insertion in model container [2018-09-15 19:39:09,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:39:09" (3/3) ... [2018-09-15 19:39:09,237 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label52_true-unreach-call.c [2018-09-15 19:39:09,247 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 19:39:09,255 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 19:39:09,314 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 19:39:09,315 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 19:39:09,316 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 19:39:09,316 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 19:39:09,316 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 19:39:09,316 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 19:39:09,316 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 19:39:09,317 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 19:39:09,317 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 19:39:09,364 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-15 19:39:09,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-15 19:39:09,379 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:39:09,382 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:39:09,383 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:39:09,389 INFO L82 PathProgramCache]: Analyzing trace with hash -684847423, now seen corresponding path program 1 times [2018-09-15 19:39:09,392 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:39:09,393 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 60 with the following transitions: [2018-09-15 19:39:09,396 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], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-15 19:39:09,479 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:39:09,479 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:39:14,130 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:39:14,132 INFO L272 AbstractInterpreter]: Visited 58 different actions 58 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-15 19:39:14,148 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:39:15,390 INFO L232 lantSequenceWeakener]: Weakened 57 states. On average, predicates are now at 75.62% of their original sizes. [2018-09-15 19:39:15,391 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:39:15,711 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:39:15,713 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:39:15,713 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 19:39:15,714 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:39:15,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 19:39:15,726 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 19:39:15,727 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:39:15,730 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-15 19:39:23,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:39:23,572 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-15 19:39:23,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 19:39:23,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-09-15 19:39:23,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:39:23,596 INFO L225 Difference]: With dead ends: 776 [2018-09-15 19:39:23,596 INFO L226 Difference]: Without dead ends: 481 [2018-09-15 19:39:23,604 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 58 GetRequests, 54 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 19:39:23,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-15 19:39:23,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-15 19:39:23,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-15 19:39:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-15 19:39:23,689 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 59 [2018-09-15 19:39:23,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:39:23,690 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-15 19:39:23,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 19:39:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-15 19:39:23,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-09-15 19:39:23,698 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:39:23,699 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:39:23,699 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:39:23,700 INFO L82 PathProgramCache]: Analyzing trace with hash -662419527, now seen corresponding path program 1 times [2018-09-15 19:39:23,700 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:39:23,700 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-09-15 19:39:23,701 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], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [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], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 19:39:23,712 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:39:23,712 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:39:35,926 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:40:00,696 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:40:00,696 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 19:40:00,735 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:40:03,440 INFO L232 lantSequenceWeakener]: Weakened 174 states. On average, predicates are now at 73.96% of their original sizes. [2018-09-15 19:40:03,440 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:40:04,497 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:40:04,498 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:40:04,498 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:40:04,498 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:40:04,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:40:04,500 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:40:04,500 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:40:04,500 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 12 states. [2018-09-15 19:40:15,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:40:15,381 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-09-15 19:40:15,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:40:15,382 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 176 [2018-09-15 19:40:15,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:40:15,388 INFO L225 Difference]: With dead ends: 959 [2018-09-15 19:40:15,388 INFO L226 Difference]: Without dead ends: 676 [2018-09-15 19:40:15,391 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:40:15,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-09-15 19:40:15,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-09-15 19:40:15,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-09-15 19:40:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-09-15 19:40:15,439 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 176 [2018-09-15 19:40:15,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:40:15,440 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-09-15 19:40:15,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:40:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-09-15 19:40:15,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-09-15 19:40:15,445 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:40:15,446 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:40:15,446 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:40:15,446 INFO L82 PathProgramCache]: Analyzing trace with hash 52413805, now seen corresponding path program 1 times [2018-09-15 19:40:15,447 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:40:15,447 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-09-15 19:40:15,447 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], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [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], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 19:40:15,456 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:40:15,456 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:40:40,401 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:40:53,822 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:40:53,822 INFO L272 AbstractInterpreter]: Visited 134 different actions 389 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 19:40:53,861 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:40:56,215 INFO L232 lantSequenceWeakener]: Weakened 184 states. On average, predicates are now at 73.91% of their original sizes. [2018-09-15 19:40:56,216 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:40:56,844 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:40:56,845 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:40:56,845 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:40:56,845 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:40:56,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:40:56,847 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:40:56,847 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:40:56,847 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 12 states. [2018-09-15 19:41:13,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:41:13,222 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-09-15 19:41:13,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:41:13,223 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 186 [2018-09-15 19:41:13,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:41:13,230 INFO L225 Difference]: With dead ends: 1153 [2018-09-15 19:41:13,230 INFO L226 Difference]: Without dead ends: 870 [2018-09-15 19:41:13,232 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 194 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:41:13,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-09-15 19:41:13,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-09-15 19:41:13,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-15 19:41:13,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-09-15 19:41:13,276 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 186 [2018-09-15 19:41:13,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:41:13,277 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-09-15 19:41:13,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:41:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-09-15 19:41:13,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-09-15 19:41:13,281 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:41:13,282 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:41:13,282 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:41:13,282 INFO L82 PathProgramCache]: Analyzing trace with hash 2059396069, now seen corresponding path program 1 times [2018-09-15 19:41:13,283 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:41:13,283 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-09-15 19:41:13,283 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], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [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], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 19:41:13,288 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:41:13,289 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:42:01,429 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:42:36,389 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:42:36,390 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 19:42:36,396 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:42:41,440 INFO L232 lantSequenceWeakener]: Weakened 189 states. On average, predicates are now at 73.95% of their original sizes. [2018-09-15 19:42:41,440 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:42:43,714 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:42:43,714 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:42:43,715 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-09-15 19:42:43,715 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:42:43,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-09-15 19:42:43,716 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-09-15 19:42:43,716 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-09-15 19:42:43,717 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 20 states. Received shutdown request... [2018-09-15 19:43:29,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-09-15 19:43:29,006 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 19:43:29,012 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 19:43:29,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 07:43:29 BoogieIcfgContainer [2018-09-15 19:43:29,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 19:43:29,013 INFO L168 Benchmark]: Toolchain (without parser) took 265901.46 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -474.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-09-15 19:43:29,015 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 19:43:29,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 988.37 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-09-15 19:43:29,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.86 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-15 19:43:29,017 INFO L168 Benchmark]: Boogie Preprocessor took 356.67 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 841.0 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -973.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2018-09-15 19:43:29,018 INFO L168 Benchmark]: RCFGBuilder took 4592.38 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 195.8 MB). Peak memory consumption was 195.8 MB. Max. memory is 7.1 GB. [2018-09-15 19:43:29,019 INFO L168 Benchmark]: TraceAbstraction took 259783.41 ms. Allocated memory was 2.4 GB in the beginning and 3.5 GB in the end (delta: 1.2 GB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 208.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-15 19:43:29,024 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 988.37 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 173.86 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 356.67 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 841.0 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -973.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4592.38 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 195.8 MB). Peak memory consumption was 195.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 259783.41 ms. Allocated memory was 2.4 GB in the beginning and 3.5 GB in the end (delta: 1.2 GB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 208.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 162]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 162). Cancelled while BasicCegarLoop was constructing difference of abstraction (861states) and FLOYD_HOARE automaton (currently 38 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (2431 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 259.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 80.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1193 SDtfs, 7624 SDslu, 1537 SDs, 0 SdLazy, 12026 SolverSat, 1487 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 72.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 653 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=861occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 163.3s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9946152775100146 AbsIntWeakeningRatio, 0.13651315789473684 AbsIntAvgWeakeningVarsNumRemoved, 44.96875 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 StatesRemovedByMinimization, 3 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/Problem11_label52_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_19-43-29-038.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label52_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_19-43-29-038.csv Completed graceful shutdown