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_label29_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 12:26:26,486 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 12:26:26,489 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 12:26:26,509 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 12:26:26,509 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 12:26:26,511 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 12:26:26,513 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 12:26:26,515 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 12:26:26,517 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 12:26:26,518 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 12:26:26,519 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 12:26:26,519 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 12:26:26,520 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 12:26:26,521 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 12:26:26,522 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 12:26:26,523 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 12:26:26,524 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 12:26:26,526 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 12:26:26,528 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 12:26:26,530 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 12:26:26,531 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 12:26:26,532 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 12:26:26,536 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 12:26:26,536 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 12:26:26,539 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 12:26:26,541 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 12:26:26,542 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 12:26:26,543 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 12:26:26,544 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 12:26:26,548 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 12:26:26,549 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 12:26:26,550 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 12:26:26,550 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 12:26:26,550 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 12:26:26,552 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 12:26:26,553 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 12:26:26,555 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 12:26:26,585 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 12:26:26,585 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 12:26:26,586 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 12:26:26,586 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 12:26:26,586 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 12:26:26,587 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 12:26:26,587 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 12:26:26,587 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 12:26:26,587 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 12:26:26,587 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 12:26:26,588 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 12:26:26,588 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 12:26:26,589 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 12:26:26,589 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 12:26:26,589 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 12:26:26,590 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 12:26:26,590 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 12:26:26,590 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 12:26:26,590 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 12:26:26,591 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 12:26:26,591 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 12:26:26,591 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 12:26:26,591 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 12:26:26,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 12:26:26,593 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 12:26:26,593 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 12:26:26,593 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 12:26:26,593 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 12:26:26,593 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 12:26:26,594 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 12:26:26,594 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 12:26:26,594 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 12:26:26,594 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 12:26:26,646 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 12:26:26,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 12:26:26,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 12:26:26,669 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 12:26:26,670 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 12:26:26,671 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label29_true-unreach-call.c [2018-09-15 12:26:27,016 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeb9960f1/95839a25c267457d94eaa557a5029920/FLAG4478ead85 [2018-09-15 12:26:27,422 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 12:26:27,423 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label29_true-unreach-call.c [2018-09-15 12:26:27,445 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeb9960f1/95839a25c267457d94eaa557a5029920/FLAG4478ead85 [2018-09-15 12:26:27,468 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeb9960f1/95839a25c267457d94eaa557a5029920 [2018-09-15 12:26:27,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 12:26:27,484 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 12:26:27,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 12:26:27,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 12:26:27,493 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 12:26:27,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:26:27" (1/1) ... [2018-09-15 12:26:27,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ad586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:26:27, skipping insertion in model container [2018-09-15 12:26:27,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:26:27" (1/1) ... [2018-09-15 12:26:27,511 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 12:26:28,302 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 12:26:28,322 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 12:26:28,572 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 12:26:28,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:26:28 WrapperNode [2018-09-15 12:26:28,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 12:26:28,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 12:26:28,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 12:26:28,695 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 12:26:28,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:26:28" (1/1) ... [2018-09-15 12:26:28,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:26:28" (1/1) ... [2018-09-15 12:26:28,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 12:26:28,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 12:26:28,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 12:26:28,907 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 12:26:29,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:26:28" (1/1) ... [2018-09-15 12:26:29,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:26:28" (1/1) ... [2018-09-15 12:26:29,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:26:28" (1/1) ... [2018-09-15 12:26:29,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:26:28" (1/1) ... [2018-09-15 12:26:29,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:26:28" (1/1) ... [2018-09-15 12:26:29,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:26:28" (1/1) ... [2018-09-15 12:26:29,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:26:28" (1/1) ... [2018-09-15 12:26:29,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 12:26:29,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 12:26:29,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 12:26:29,469 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 12:26:29,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:26:28" (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 12:26:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 12:26:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 12:26:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 12:26:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 12:26:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 12:26:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 12:26:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 12:26:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 12:26:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 12:26:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 12:26:36,453 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 12:26:36,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:26:36 BoogieIcfgContainer [2018-09-15 12:26:36,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 12:26:36,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 12:26:36,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 12:26:36,459 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 12:26:36,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 12:26:27" (1/3) ... [2018-09-15 12:26:36,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b01d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:26:36, skipping insertion in model container [2018-09-15 12:26:36,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:26:28" (2/3) ... [2018-09-15 12:26:36,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b01d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:26:36, skipping insertion in model container [2018-09-15 12:26:36,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:26:36" (3/3) ... [2018-09-15 12:26:36,464 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label29_true-unreach-call.c [2018-09-15 12:26:36,475 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 12:26:36,485 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 12:26:36,547 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 12:26:36,548 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 12:26:36,549 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 12:26:36,549 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 12:26:36,549 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 12:26:36,549 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 12:26:36,549 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 12:26:36,549 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 12:26:36,550 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 12:26:36,585 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-09-15 12:26:36,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-15 12:26:36,595 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:26:36,596 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] [2018-09-15 12:26:36,598 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:26:36,604 INFO L82 PathProgramCache]: Analyzing trace with hash 354183419, now seen corresponding path program 1 times [2018-09-15 12:26:36,607 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:26:36,608 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 54 with the following transitions: [2018-09-15 12:26:36,611 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], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [1556], [1560], [1566], [1570], [1579], [1580], [1581], [1583] [2018-09-15 12:26:36,698 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:26:36,698 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:26:38,199 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:26:38,201 INFO L272 AbstractInterpreter]: Visited 52 different actions 52 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 12:26:38,216 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:26:38,888 INFO L232 lantSequenceWeakener]: Weakened 51 states. On average, predicates are now at 80.53% of their original sizes. [2018-09-15 12:26:38,888 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:26:39,176 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:26:39,178 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:26:39,178 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 12:26:39,179 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:26:39,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 12:26:39,192 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 12:26:39,193 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 12:26:39,196 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 6 states. [2018-09-15 12:26:52,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:26:52,093 INFO L93 Difference]: Finished difference Result 1158 states and 2145 transitions. [2018-09-15 12:26:52,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 12:26:52,097 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2018-09-15 12:26:52,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:26:52,120 INFO L225 Difference]: With dead ends: 1158 [2018-09-15 12:26:52,121 INFO L226 Difference]: Without dead ends: 746 [2018-09-15 12:26:52,130 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 52 GetRequests, 48 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 12:26:52,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2018-09-15 12:26:52,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 744. [2018-09-15 12:26:52,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-09-15 12:26:52,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1075 transitions. [2018-09-15 12:26:52,247 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1075 transitions. Word has length 53 [2018-09-15 12:26:52,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:26:52,248 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1075 transitions. [2018-09-15 12:26:52,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 12:26:52,249 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1075 transitions. [2018-09-15 12:26:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-15 12:26:52,255 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:26:52,256 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:52,256 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:26:52,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1719199432, now seen corresponding path program 1 times [2018-09-15 12:26:52,257 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:26:52,257 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-09-15 12:26:52,257 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], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [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 12:26:52,264 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:26:52,264 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:26:55,519 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:27:01,081 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:27:01,081 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 12:27:01,108 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:27:04,360 INFO L232 lantSequenceWeakener]: Weakened 143 states. On average, predicates are now at 78.52% of their original sizes. [2018-09-15 12:27:04,360 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:27:06,234 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:27:06,235 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:27:06,235 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 12:27:06,235 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:27:06,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 12:27:06,237 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 12:27:06,237 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-09-15 12:27:06,238 INFO L87 Difference]: Start difference. First operand 744 states and 1075 transitions. Second operand 11 states. [2018-09-15 12:27:24,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:27:24,655 INFO L93 Difference]: Finished difference Result 1826 states and 3140 transitions. [2018-09-15 12:27:24,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 12:27:24,661 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 145 [2018-09-15 12:27:24,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:27:24,674 INFO L225 Difference]: With dead ends: 1826 [2018-09-15 12:27:24,674 INFO L226 Difference]: Without dead ends: 1426 [2018-09-15 12:27:24,678 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 94 SyntacticMatches, 41 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-15 12:27:24,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2018-09-15 12:27:24,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1423. [2018-09-15 12:27:24,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1423 states. [2018-09-15 12:27:24,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 1772 transitions. [2018-09-15 12:27:24,768 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 1772 transitions. Word has length 145 [2018-09-15 12:27:24,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:27:24,769 INFO L480 AbstractCegarLoop]: Abstraction has 1423 states and 1772 transitions. [2018-09-15 12:27:24,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 12:27:24,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1772 transitions. [2018-09-15 12:27:24,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-09-15 12:27:24,774 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:27:24,775 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:24,775 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:27:24,775 INFO L82 PathProgramCache]: Analyzing trace with hash -2076142656, now seen corresponding path program 1 times [2018-09-15 12:27:24,776 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:27:24,776 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-09-15 12:27:24,776 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], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [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 12:27:24,783 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:27:24,783 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:27:27,852 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:27:35,226 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:27:35,226 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 12:27:35,230 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:27:38,177 INFO L232 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 78.27% of their original sizes. [2018-09-15 12:27:38,178 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:27:39,411 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:27:39,412 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:27:39,412 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 12:27:39,412 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:27:39,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 12:27:39,414 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 12:27:39,414 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-09-15 12:27:39,414 INFO L87 Difference]: Start difference. First operand 1423 states and 1772 transitions. Second operand 11 states. [2018-09-15 12:28:02,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:28:02,620 INFO L93 Difference]: Finished difference Result 2505 states and 3837 transitions. [2018-09-15 12:28:02,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 12:28:02,623 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 181 [2018-09-15 12:28:02,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:28:02,634 INFO L225 Difference]: With dead ends: 2505 [2018-09-15 12:28:02,634 INFO L226 Difference]: Without dead ends: 2105 [2018-09-15 12:28:02,637 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 187 GetRequests, 130 SyntacticMatches, 41 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-15 12:28:02,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2105 states. [2018-09-15 12:28:02,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2105 to 2102. [2018-09-15 12:28:02,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2102 states. [2018-09-15 12:28:02,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 2102 states and 2469 transitions. [2018-09-15 12:28:02,711 INFO L78 Accepts]: Start accepts. Automaton has 2102 states and 2469 transitions. Word has length 181 [2018-09-15 12:28:02,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:28:02,712 INFO L480 AbstractCegarLoop]: Abstraction has 2102 states and 2469 transitions. [2018-09-15 12:28:02,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 12:28:02,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2469 transitions. [2018-09-15 12:28:02,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-09-15 12:28:02,721 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:28:02,721 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:02,722 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:28:02,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1367535367, now seen corresponding path program 1 times [2018-09-15 12:28:02,722 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:28:02,723 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2018-09-15 12:28:02,724 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], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [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 12:28:02,738 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:28:02,738 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:28:06,047 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:28:13,782 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:28:13,782 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 12:28:13,807 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:28:16,935 INFO L232 lantSequenceWeakener]: Weakened 204 states. On average, predicates are now at 78.15% of their original sizes. [2018-09-15 12:28:16,936 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:28:18,245 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:28:18,246 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:28:18,246 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 12:28:18,246 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:28:18,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 12:28:18,248 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 12:28:18,248 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 12:28:18,248 INFO L87 Difference]: Start difference. First operand 2102 states and 2469 transitions. Second operand 12 states. [2018-09-15 12:28:40,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:28:40,746 INFO L93 Difference]: Finished difference Result 3184 states and 4534 transitions. [2018-09-15 12:28:40,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 12:28:40,748 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 206 [2018-09-15 12:28:40,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:28:40,762 INFO L225 Difference]: With dead ends: 3184 [2018-09-15 12:28:40,763 INFO L226 Difference]: Without dead ends: 2784 [2018-09-15 12:28:40,766 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 213 GetRequests, 154 SyntacticMatches, 41 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-09-15 12:28:40,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2018-09-15 12:28:40,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2781. [2018-09-15 12:28:40,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2781 states. [2018-09-15 12:28:40,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 3166 transitions. [2018-09-15 12:28:40,863 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 3166 transitions. Word has length 206 [2018-09-15 12:28:40,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:28:40,864 INFO L480 AbstractCegarLoop]: Abstraction has 2781 states and 3166 transitions. [2018-09-15 12:28:40,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 12:28:40,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3166 transitions. [2018-09-15 12:28:40,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-09-15 12:28:40,870 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:28:40,870 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:40,871 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:28:40,871 INFO L82 PathProgramCache]: Analyzing trace with hash -620334903, now seen corresponding path program 1 times [2018-09-15 12:28:40,871 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:28:40,871 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-09-15 12:28:40,872 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], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [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 12:28:40,880 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:28:40,881 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:28:55,201 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:28:55,202 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 12:28:55,210 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:28:58,388 INFO L232 lantSequenceWeakener]: Weakened 244 states. On average, predicates are now at 78.01% of their original sizes. [2018-09-15 12:28:58,388 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:28:59,631 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:28:59,631 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:28:59,632 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 12:28:59,632 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:28:59,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 12:28:59,633 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 12:28:59,633 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 12:28:59,634 INFO L87 Difference]: Start difference. First operand 2781 states and 3166 transitions. Second operand 12 states. [2018-09-15 12:29:19,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:29:19,634 INFO L93 Difference]: Finished difference Result 3863 states and 5231 transitions. [2018-09-15 12:29:19,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 12:29:19,638 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 246 [2018-09-15 12:29:19,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:29:19,653 INFO L225 Difference]: With dead ends: 3863 [2018-09-15 12:29:19,654 INFO L226 Difference]: Without dead ends: 3463 [2018-09-15 12:29:19,658 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 253 GetRequests, 194 SyntacticMatches, 41 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-09-15 12:29:19,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3463 states. [2018-09-15 12:29:19,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3463 to 3460. [2018-09-15 12:29:19,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3460 states. [2018-09-15 12:29:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 3460 states and 3863 transitions. [2018-09-15 12:29:19,782 INFO L78 Accepts]: Start accepts. Automaton has 3460 states and 3863 transitions. Word has length 246 [2018-09-15 12:29:19,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:29:19,783 INFO L480 AbstractCegarLoop]: Abstraction has 3460 states and 3863 transitions. [2018-09-15 12:29:19,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 12:29:19,783 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 3863 transitions. [2018-09-15 12:29:19,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-09-15 12:29:19,789 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:29:19,789 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 12:29:19,790 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:29:19,790 INFO L82 PathProgramCache]: Analyzing trace with hash -232098819, now seen corresponding path program 1 times [2018-09-15 12:29:19,790 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:29:19,790 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 274 with the following transitions: [2018-09-15 12:29:19,791 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], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [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 12:29:19,795 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:29:19,796 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:29:21,505 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:29:41,358 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:29:41,358 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 12:29:41,366 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:29:43,656 INFO L232 lantSequenceWeakener]: Weakened 271 states. On average, predicates are now at 77.97% of their original sizes. [2018-09-15 12:29:43,656 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:29:44,776 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:29:44,777 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:29:44,777 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 12:29:44,777 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:29:44,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 12:29:44,779 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 12:29:44,779 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 12:29:44,780 INFO L87 Difference]: Start difference. First operand 3460 states and 3863 transitions. Second operand 11 states. [2018-09-15 12:30:06,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:30:06,060 INFO L93 Difference]: Finished difference Result 4496 states and 5839 transitions. [2018-09-15 12:30:06,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-15 12:30:06,061 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 273 [2018-09-15 12:30:06,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:30:06,079 INFO L225 Difference]: With dead ends: 4496 [2018-09-15 12:30:06,080 INFO L226 Difference]: Without dead ends: 4096 [2018-09-15 12:30:06,083 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 282 GetRequests, 222 SyntacticMatches, 41 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2018-09-15 12:30:06,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4096 states. [2018-09-15 12:30:06,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4096 to 3814. [2018-09-15 12:30:06,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3814 states. [2018-09-15 12:30:06,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3814 states and 4252 transitions. [2018-09-15 12:30:06,225 INFO L78 Accepts]: Start accepts. Automaton has 3814 states and 4252 transitions. Word has length 273 [2018-09-15 12:30:06,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:30:06,226 INFO L480 AbstractCegarLoop]: Abstraction has 3814 states and 4252 transitions. [2018-09-15 12:30:06,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 12:30:06,226 INFO L276 IsEmpty]: Start isEmpty. Operand 3814 states and 4252 transitions. [2018-09-15 12:30:06,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-09-15 12:30:06,232 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:30:06,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:06,233 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:30:06,233 INFO L82 PathProgramCache]: Analyzing trace with hash 998210464, now seen corresponding path program 1 times [2018-09-15 12:30:06,233 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:30:06,233 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 294 with the following transitions: [2018-09-15 12:30:06,234 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], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [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 12:30:06,239 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:30:06,240 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:30:34,028 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:30:34,028 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 12:30:34,037 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:30:39,594 INFO L232 lantSequenceWeakener]: Weakened 291 states. On average, predicates are now at 77.89% of their original sizes. [2018-09-15 12:30:39,595 INFO L412 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-09-15 12:30:40,060 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 12:30:40,065 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 12:30:40,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 12:30:40 BoogieIcfgContainer [2018-09-15 12:30:40,066 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 12:30:40,067 INFO L168 Benchmark]: Toolchain (without parser) took 252586.70 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -26.2 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-09-15 12:30:40,070 INFO L168 Benchmark]: CDTParser took 0.21 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 12:30:40,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1208.76 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 12:30:40,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 211.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-15 12:30:40,072 INFO L168 Benchmark]: Boogie Preprocessor took 561.95 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 764.4 MB). Free memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: -908.3 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. [2018-09-15 12:30:40,073 INFO L168 Benchmark]: RCFGBuilder took 6985.67 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 266.8 MB). Peak memory consumption was 266.8 MB. Max. memory is 7.1 GB. [2018-09-15 12:30:40,074 INFO L168 Benchmark]: TraceAbstraction took 243610.96 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.9 GB in the beginning and 1.4 GB in the end (delta: 488.4 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-09-15 12:30:40,079 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1208.76 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 211.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 561.95 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 764.4 MB). Free memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: -908.3 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6985.67 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 266.8 MB). Peak memory consumption was 266.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 243610.96 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.9 GB in the beginning and 1.4 GB in the end (delta: 488.4 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: 145]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 145). Cancelled while BasicCegarLoop was analyzing trace of length 294 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 10 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 243.5s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 118.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2434 SDtfs, 9726 SDslu, 2294 SDs, 0 SdLazy, 24998 SolverSat, 3535 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 108.3s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 1138 GetRequests, 842 SyntacticMatches, 205 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2042 ImplicationChecksByTransitivity, 8.4s 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, 95.7s AbstIntTime, 7 AbstIntIterations, 7 AbstIntStrong, 0.9953418687974518 AbsIntWeakeningRatio, 0.10071942446043165 AbsIntAvgWeakeningVarsNumRemoved, 112.81654676258992 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_label29_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_12-30-40-095.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem16_label29_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_12-30-40-095.csv Completed graceful shutdown