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_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label10_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 12:22:29,442 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 12:22:29,445 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 12:22:29,464 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 12:22:29,465 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 12:22:29,466 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 12:22:29,467 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 12:22:29,469 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 12:22:29,470 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 12:22:29,471 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 12:22:29,472 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 12:22:29,472 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 12:22:29,473 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 12:22:29,474 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 12:22:29,475 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 12:22:29,476 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 12:22:29,477 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 12:22:29,479 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 12:22:29,481 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 12:22:29,482 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 12:22:29,483 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 12:22:29,485 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 12:22:29,487 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-15 12:22:29,496 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-15 12:22:29,513 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 12:22:29,513 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 12:22:29,514 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 12:22:29,514 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 12:22:29,515 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 12:22:29,515 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 12:22:29,515 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 12:22:29,515 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 12:22:29,515 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 12:22:29,516 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 12:22:29,516 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 12:22:29,516 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 12:22:29,517 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 12:22:29,517 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 12:22:29,517 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 12:22:29,517 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 12:22:29,517 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 12:22:29,518 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 12:22:29,518 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 12:22:29,518 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 12:22:29,518 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 12:22:29,518 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 12:22:29,519 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 12:22:29,519 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 12:22:29,519 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 12:22:29,519 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 12:22:29,519 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 12:22:29,520 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 12:22:29,520 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 12:22:29,520 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 12:22:29,520 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 12:22:29,520 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 12:22:29,521 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 12:22:29,589 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 12:22:29,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 12:22:29,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 12:22:29,612 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 12:22:29,613 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 12:22:29,614 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label10_true-unreach-call.c [2018-09-15 12:22:29,975 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3ef0ad75/ae343ca5e7474293bba3c9b60f058712/FLAG75b980e78 [2018-09-15 12:22:30,361 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 12:22:30,362 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label10_true-unreach-call.c [2018-09-15 12:22:30,387 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3ef0ad75/ae343ca5e7474293bba3c9b60f058712/FLAG75b980e78 [2018-09-15 12:22:30,410 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3ef0ad75/ae343ca5e7474293bba3c9b60f058712 [2018-09-15 12:22:30,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 12:22:30,428 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 12:22:30,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 12:22:30,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 12:22:30,441 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 12:22:30,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:22:30" (1/1) ... [2018-09-15 12:22:30,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4744f612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:22:30, skipping insertion in model container [2018-09-15 12:22:30,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:22:30" (1/1) ... [2018-09-15 12:22:30,457 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 12:22:31,273 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 12:22:31,293 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 12:22:31,535 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 12:22:31,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:22:31 WrapperNode [2018-09-15 12:22:31,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 12:22:31,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 12:22:31,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 12:22:31,662 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 12:22:31,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:22:31" (1/1) ... [2018-09-15 12:22:31,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:22:31" (1/1) ... [2018-09-15 12:22:31,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 12:22:31,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 12:22:31,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 12:22:31,892 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 12:22:32,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:22:31" (1/1) ... [2018-09-15 12:22:32,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:22:31" (1/1) ... [2018-09-15 12:22:32,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:22:31" (1/1) ... [2018-09-15 12:22:32,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:22:31" (1/1) ... [2018-09-15 12:22:32,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:22:31" (1/1) ... [2018-09-15 12:22:32,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:22:31" (1/1) ... [2018-09-15 12:22:32,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:22:31" (1/1) ... [2018-09-15 12:22:32,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 12:22:32,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 12:22:32,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 12:22:32,419 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 12:22:32,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:22:31" (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 12:22:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 12:22:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 12:22:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 12:22:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 12:22:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 12:22:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 12:22:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 12:22:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 12:22:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 12:22:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 12:22:41,159 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 12:22:41,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:22:41 BoogieIcfgContainer [2018-09-15 12:22:41,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 12:22:41,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 12:22:41,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 12:22:41,165 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 12:22:41,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 12:22:30" (1/3) ... [2018-09-15 12:22:41,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564ba8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:22:41, skipping insertion in model container [2018-09-15 12:22:41,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:22:31" (2/3) ... [2018-09-15 12:22:41,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564ba8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:22:41, skipping insertion in model container [2018-09-15 12:22:41,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:22:41" (3/3) ... [2018-09-15 12:22:41,170 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label10_true-unreach-call.c [2018-09-15 12:22:41,180 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 12:22:41,192 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 12:22:41,243 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 12:22:41,244 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 12:22:41,244 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 12:22:41,244 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 12:22:41,244 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 12:22:41,244 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 12:22:41,244 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 12:22:41,245 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 12:22:41,245 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 12:22:41,279 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-09-15 12:22:41,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-15 12:22:41,288 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:22:41,289 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 12:22:41,291 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:22:41,296 INFO L82 PathProgramCache]: Analyzing trace with hash -369179421, now seen corresponding path program 1 times [2018-09-15 12:22:41,298 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:22:41,298 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-09-15 12:22:41,301 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [391], [393], [1556], [1560], [1566], [1570], [1579], [1580], [1581], [1583] [2018-09-15 12:22:41,371 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:22:41,371 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:22:42,709 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:22:42,710 INFO L272 AbstractInterpreter]: Visited 38 different actions 38 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 12:22:42,737 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:22:43,255 INFO L232 lantSequenceWeakener]: Weakened 37 states. On average, predicates are now at 80.05% of their original sizes. [2018-09-15 12:22:43,255 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:22:43,531 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:22:43,533 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:22:43,533 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 12:22:43,534 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:22:43,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 12:22:43,547 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 12:22:43,548 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 12:22:43,550 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 6 states. [2018-09-15 12:22:54,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:22:54,284 INFO L93 Difference]: Finished difference Result 1158 states and 2145 transitions. [2018-09-15 12:22:54,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 12:22:54,286 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2018-09-15 12:22:54,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:22:54,312 INFO L225 Difference]: With dead ends: 1158 [2018-09-15 12:22:54,312 INFO L226 Difference]: Without dead ends: 746 [2018-09-15 12:22:54,321 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 12:22:54,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2018-09-15 12:22:54,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 744. [2018-09-15 12:22:54,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-09-15 12:22:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1075 transitions. [2018-09-15 12:22:54,452 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1075 transitions. Word has length 39 [2018-09-15 12:22:54,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:22:54,452 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1075 transitions. [2018-09-15 12:22:54,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 12:22:54,453 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1075 transitions. [2018-09-15 12:22:54,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-15 12:22:54,459 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:22:54,461 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 12:22:54,462 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:22:54,462 INFO L82 PathProgramCache]: Analyzing trace with hash -8057664, now seen corresponding path program 1 times [2018-09-15 12:22:54,462 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:22:54,463 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 132 with the following transitions: [2018-09-15 12:22:54,463 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [391], [393], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 12:22:54,470 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:22:54,470 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:22:57,221 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:23:03,078 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:23:03,079 INFO L272 AbstractInterpreter]: Visited 99 different actions 191 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 12:23:03,126 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:23:05,894 INFO L232 lantSequenceWeakener]: Weakened 129 states. On average, predicates are now at 78.17% of their original sizes. [2018-09-15 12:23:05,894 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:23:07,337 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:23:07,337 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:23:07,337 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 12:23:07,338 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:23:07,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 12:23:07,339 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 12:23:07,340 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-09-15 12:23:07,340 INFO L87 Difference]: Start difference. First operand 744 states and 1075 transitions. Second operand 11 states. [2018-09-15 12:23:22,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:23:22,896 INFO L93 Difference]: Finished difference Result 1826 states and 3140 transitions. [2018-09-15 12:23:22,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 12:23:22,898 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 131 [2018-09-15 12:23:22,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:23:22,907 INFO L225 Difference]: With dead ends: 1826 [2018-09-15 12:23:22,908 INFO L226 Difference]: Without dead ends: 1426 [2018-09-15 12:23:22,912 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 137 GetRequests, 94 SyntacticMatches, 27 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-15 12:23:22,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2018-09-15 12:23:22,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1423. [2018-09-15 12:23:22,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1423 states. [2018-09-15 12:23:22,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 1772 transitions. [2018-09-15 12:23:22,989 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 1772 transitions. Word has length 131 [2018-09-15 12:23:22,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:23:22,990 INFO L480 AbstractCegarLoop]: Abstraction has 1423 states and 1772 transitions. [2018-09-15 12:23:22,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 12:23:22,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1772 transitions. [2018-09-15 12:23:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-09-15 12:23:22,997 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:23:22,998 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 12:23:22,998 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:23:22,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1412881080, now seen corresponding path program 1 times [2018-09-15 12:23:22,999 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:23:22,999 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 168 with the following transitions: [2018-09-15 12:23:22,999 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [391], [393], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [904], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 12:23:23,010 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:23:23,011 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:23:26,562 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:23:34,576 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:23:34,576 INFO L272 AbstractInterpreter]: Visited 135 different actions 263 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 12:23:34,579 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:23:37,731 INFO L232 lantSequenceWeakener]: Weakened 165 states. On average, predicates are now at 77.97% of their original sizes. [2018-09-15 12:23:37,731 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:23:38,832 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:23:38,832 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:23:38,833 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 12:23:38,833 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:23:38,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 12:23:38,834 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 12:23:38,834 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-09-15 12:23:38,835 INFO L87 Difference]: Start difference. First operand 1423 states and 1772 transitions. Second operand 11 states. [2018-09-15 12:24:04,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:24:04,387 INFO L93 Difference]: Finished difference Result 2505 states and 3837 transitions. [2018-09-15 12:24:04,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 12:24:04,395 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 167 [2018-09-15 12:24:04,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:24:04,413 INFO L225 Difference]: With dead ends: 2505 [2018-09-15 12:24:04,413 INFO L226 Difference]: Without dead ends: 2105 [2018-09-15 12:24:04,417 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 173 GetRequests, 130 SyntacticMatches, 27 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-15 12:24:04,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2105 states. [2018-09-15 12:24:04,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2105 to 2102. [2018-09-15 12:24:04,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2102 states. [2018-09-15 12:24:04,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 2102 states and 2469 transitions. [2018-09-15 12:24:04,498 INFO L78 Accepts]: Start accepts. Automaton has 2102 states and 2469 transitions. Word has length 167 [2018-09-15 12:24:04,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:24:04,499 INFO L480 AbstractCegarLoop]: Abstraction has 2102 states and 2469 transitions. [2018-09-15 12:24:04,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 12:24:04,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2469 transitions. [2018-09-15 12:24:04,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-09-15 12:24:04,504 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:24:04,505 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:04,505 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:24:04,505 INFO L82 PathProgramCache]: Analyzing trace with hash -526404479, now seen corresponding path program 1 times [2018-09-15 12:24:04,505 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:24:04,506 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 193 with the following transitions: [2018-09-15 12:24:04,506 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [391], [393], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1004], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 12:24:04,511 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:24:04,512 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:24:08,097 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:24:16,795 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:24:16,795 INFO L272 AbstractInterpreter]: Visited 160 different actions 313 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 12:24:16,798 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:24:19,293 INFO L232 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 77.88% of their original sizes. [2018-09-15 12:24:19,293 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:24:20,258 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:24:20,258 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:24:20,258 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 12:24:20,259 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:24:20,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 12:24:20,260 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 12:24:20,261 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 12:24:20,261 INFO L87 Difference]: Start difference. First operand 2102 states and 2469 transitions. Second operand 12 states. [2018-09-15 12:24:36,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:24:36,874 INFO L93 Difference]: Finished difference Result 3184 states and 4534 transitions. [2018-09-15 12:24:36,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 12:24:36,876 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 192 [2018-09-15 12:24:36,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:24:36,890 INFO L225 Difference]: With dead ends: 3184 [2018-09-15 12:24:36,890 INFO L226 Difference]: Without dead ends: 2784 [2018-09-15 12:24:36,893 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 154 SyntacticMatches, 27 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-09-15 12:24:36,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2018-09-15 12:24:36,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2781. [2018-09-15 12:24:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2781 states. [2018-09-15 12:24:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 3166 transitions. [2018-09-15 12:24:36,990 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 3166 transitions. Word has length 192 [2018-09-15 12:24:36,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:24:36,990 INFO L480 AbstractCegarLoop]: Abstraction has 2781 states and 3166 transitions. [2018-09-15 12:24:36,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 12:24:36,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3166 transitions. [2018-09-15 12:24:36,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-09-15 12:24:36,995 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:24:36,996 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:36,996 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:24:36,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1643667537, now seen corresponding path program 1 times [2018-09-15 12:24:36,996 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:24:36,998 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 233 with the following transitions: [2018-09-15 12:24:36,998 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [391], [393], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1164], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 12:24:37,006 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:24:37,006 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:24:52,785 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:24:52,785 INFO L272 AbstractInterpreter]: Visited 200 different actions 393 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 12:24:52,788 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:24:55,964 INFO L232 lantSequenceWeakener]: Weakened 230 states. On average, predicates are now at 77.77% of their original sizes. [2018-09-15 12:24:55,965 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:24:57,003 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:24:57,004 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:24:57,004 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 12:24:57,004 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:24:57,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 12:24:57,005 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 12:24:57,006 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 12:24:57,006 INFO L87 Difference]: Start difference. First operand 2781 states and 3166 transitions. Second operand 12 states. [2018-09-15 12:25:14,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:25:14,718 INFO L93 Difference]: Finished difference Result 3863 states and 5231 transitions. [2018-09-15 12:25:14,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 12:25:14,719 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 232 [2018-09-15 12:25:14,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:25:14,734 INFO L225 Difference]: With dead ends: 3863 [2018-09-15 12:25:14,734 INFO L226 Difference]: Without dead ends: 3463 [2018-09-15 12:25:14,739 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 239 GetRequests, 194 SyntacticMatches, 27 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-09-15 12:25:14,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3463 states. [2018-09-15 12:25:14,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3463 to 3460. [2018-09-15 12:25:14,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3460 states. [2018-09-15 12:25:14,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 3460 states and 3863 transitions. [2018-09-15 12:25:14,861 INFO L78 Accepts]: Start accepts. Automaton has 3460 states and 3863 transitions. Word has length 232 [2018-09-15 12:25:14,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:25:14,862 INFO L480 AbstractCegarLoop]: Abstraction has 3460 states and 3863 transitions. [2018-09-15 12:25:14,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 12:25:14,862 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 3863 transitions. [2018-09-15 12:25:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-09-15 12:25:14,867 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:25:14,867 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:14,868 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:25:14,868 INFO L82 PathProgramCache]: Analyzing trace with hash -239821531, now seen corresponding path program 1 times [2018-09-15 12:25:14,868 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:25:14,868 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 260 with the following transitions: [2018-09-15 12:25:14,869 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [391], [393], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [904], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 12:25:14,872 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:25:14,872 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:25:16,578 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:25:38,225 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:25:38,226 INFO L272 AbstractInterpreter]: Visited 136 different actions 665 times. Merged at 7 different actions 29 times. Never widened. Found 6 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 12:25:38,239 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:25:40,390 INFO L232 lantSequenceWeakener]: Weakened 257 states. On average, predicates are now at 77.76% of their original sizes. [2018-09-15 12:25:40,390 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:25:41,277 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:25:41,277 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:25:41,278 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 12:25:41,278 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:25:41,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 12:25:41,279 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 12:25:41,279 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 12:25:41,280 INFO L87 Difference]: Start difference. First operand 3460 states and 3863 transitions. Second operand 11 states. [2018-09-15 12:26:01,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:26:01,952 INFO L93 Difference]: Finished difference Result 4496 states and 5839 transitions. [2018-09-15 12:26:01,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-15 12:26:01,955 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 259 [2018-09-15 12:26:01,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:26:01,973 INFO L225 Difference]: With dead ends: 4496 [2018-09-15 12:26:01,973 INFO L226 Difference]: Without dead ends: 4096 [2018-09-15 12:26:01,977 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 268 GetRequests, 222 SyntacticMatches, 27 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2018-09-15 12:26:01,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4096 states. [2018-09-15 12:26:02,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4096 to 3814. [2018-09-15 12:26:02,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3814 states. [2018-09-15 12:26:02,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3814 states and 4252 transitions. [2018-09-15 12:26:02,118 INFO L78 Accepts]: Start accepts. Automaton has 3814 states and 4252 transitions. Word has length 259 [2018-09-15 12:26:02,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:26:02,118 INFO L480 AbstractCegarLoop]: Abstraction has 3814 states and 4252 transitions. [2018-09-15 12:26:02,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 12:26:02,119 INFO L276 IsEmpty]: Start isEmpty. Operand 3814 states and 4252 transitions. [2018-09-15 12:26:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-09-15 12:26:02,124 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:26:02,125 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:02,125 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:26:02,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1354164952, now seen corresponding path program 1 times [2018-09-15 12:26:02,126 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:26:02,126 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 280 with the following transitions: [2018-09-15 12:26:02,126 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [391], [393], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 12:26:02,132 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:26:02,132 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:26:32,217 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:26:32,217 INFO L272 AbstractInterpreter]: Visited 247 different actions 488 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 12:26:32,221 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:26:37,633 INFO L232 lantSequenceWeakener]: Weakened 277 states. On average, predicates are now at 77.69% of their original sizes. [2018-09-15 12:26:37,633 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:26:38,648 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:26:38,649 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:26:38,649 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 12:26:38,649 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:26:38,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 12:26:38,650 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 12:26:38,650 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-15 12:26:38,651 INFO L87 Difference]: Start difference. First operand 3814 states and 4252 transitions. Second operand 13 states. Received shutdown request... [2018-09-15 12:26:42,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-15 12:26:42,651 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 12:26:42,657 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 12:26:42,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 12:26:42 BoogieIcfgContainer [2018-09-15 12:26:42,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 12:26:42,659 INFO L168 Benchmark]: Toolchain (without parser) took 252234.23 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -189.5 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-09-15 12:26:42,661 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 12:26:42,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1231.67 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: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-09-15 12:26:42,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 229.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 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 12:26:42,663 INFO L168 Benchmark]: Boogie Preprocessor took 527.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 820.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -968.7 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. [2018-09-15 12:26:42,664 INFO L168 Benchmark]: RCFGBuilder took 8741.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 266.8 MB). Peak memory consumption was 266.8 MB. Max. memory is 7.1 GB. [2018-09-15 12:26:42,665 INFO L168 Benchmark]: TraceAbstraction took 241496.18 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 396.2 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-09-15 12:26:42,670 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1231.67 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: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 229.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 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 527.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 820.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -968.7 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8741.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 266.8 MB). Peak memory consumption was 266.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 241496.18 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 396.2 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 103). Cancelled while BasicCegarLoop was constructing difference of abstraction (3814states) and FLOYD_HOARE automaton (currently 8 states, 13 states before enhancement), while ReachableStatesComputation was computing reachable states (564 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 241.4s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 110.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2448 SDtfs, 10606 SDslu, 1732 SDs, 0 SdLazy, 22199 SolverSat, 3562 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 101.3s Time, PredicateUnifierStatistics: 14 DeclaredPredicates, 1337 GetRequests, 1068 SyntacticMatches, 162 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1725 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3814occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 103.2s AbstIntTime, 7 AbstIntIterations, 7 AbstIntStrong, 0.9949885430560823 AbsIntWeakeningRatio, 0.10835913312693499 AbsIntAvgWeakeningVarsNumRemoved, 111.03637770897832 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 296 StatesRemovedByMinimization, 6 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/Problem16_label10_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_12-26-42-684.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem16_label10_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_12-26-42-684.csv Completed graceful shutdown