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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label44_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 20:21:04,469 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 20:21:04,472 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 20:21:04,486 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 20:21:04,486 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 20:21:04,487 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 20:21:04,490 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 20:21:04,494 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 20:21:04,495 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 20:21:04,496 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 20:21:04,500 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 20:21:04,501 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 20:21:04,502 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 20:21:04,503 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 20:21:04,504 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 20:21:04,507 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 20:21:04,508 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 20:21:04,510 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 20:21:04,512 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 20:21:04,514 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 20:21:04,515 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 20:21:04,516 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 20:21:04,519 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 20:21:04,519 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 20:21:04,519 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 20:21:04,520 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 20:21:04,521 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 20:21:04,522 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 20:21:04,523 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 20:21:04,524 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 20:21:04,524 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 20:21:04,525 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 20:21:04,525 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 20:21:04,526 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 20:21:04,527 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 20:21:04,527 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 20:21:04,528 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 20:21:04,543 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 20:21:04,544 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 20:21:04,544 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 20:21:04,545 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 20:21:04,545 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 20:21:04,545 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 20:21:04,545 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 20:21:04,545 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 20:21:04,546 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 20:21:04,546 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 20:21:04,546 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 20:21:04,546 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 20:21:04,546 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 20:21:04,547 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 20:21:04,547 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 20:21:04,547 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 20:21:04,548 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 20:21:04,548 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 20:21:04,548 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 20:21:04,548 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 20:21:04,548 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 20:21:04,549 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 20:21:04,549 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 20:21:04,549 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 20:21:04,549 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 20:21:04,549 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 20:21:04,550 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 20:21:04,550 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 20:21:04,550 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 20:21:04,550 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 20:21:04,550 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 20:21:04,550 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 20:21:04,551 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 20:21:04,551 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 20:21:04,551 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 20:21:04,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 20:21:04,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 20:21:04,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 20:21:04,639 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 20:21:04,639 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 20:21:04,640 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label44_true-unreach-call.c [2018-11-07 20:21:04,703 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/755990327/4f663cc46ce74e19a2d99699e3d91ef5/FLAG14d29fe52 [2018-11-07 20:21:05,468 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 20:21:05,469 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label44_true-unreach-call.c [2018-11-07 20:21:05,497 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/755990327/4f663cc46ce74e19a2d99699e3d91ef5/FLAG14d29fe52 [2018-11-07 20:21:05,512 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/755990327/4f663cc46ce74e19a2d99699e3d91ef5 [2018-11-07 20:21:05,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 20:21:05,527 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 20:21:05,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 20:21:05,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 20:21:05,534 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 20:21:05,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:21:05" (1/1) ... [2018-11-07 20:21:05,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@386f4038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:05, skipping insertion in model container [2018-11-07 20:21:05,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:21:05" (1/1) ... [2018-11-07 20:21:05,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 20:21:05,701 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 20:21:07,018 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:21:07,023 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 20:21:07,638 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:21:07,673 INFO L193 MainTranslator]: Completed translation [2018-11-07 20:21:07,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:07 WrapperNode [2018-11-07 20:21:07,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 20:21:07,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 20:21:07,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 20:21:07,676 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 20:21:07,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:07" (1/1) ... [2018-11-07 20:21:08,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:07" (1/1) ... [2018-11-07 20:21:08,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 20:21:08,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 20:21:08,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 20:21:08,046 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 20:21:08,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:07" (1/1) ... [2018-11-07 20:21:08,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:07" (1/1) ... [2018-11-07 20:21:08,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:07" (1/1) ... [2018-11-07 20:21:08,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:07" (1/1) ... [2018-11-07 20:21:08,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:07" (1/1) ... [2018-11-07 20:21:08,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:07" (1/1) ... [2018-11-07 20:21:08,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:07" (1/1) ... [2018-11-07 20:21:08,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 20:21:08,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 20:21:08,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 20:21:08,335 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 20:21:08,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:07" (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 [2018-11-07 20:21:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 20:21:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 20:21:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 20:21:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 20:21:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 20:21:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 20:21:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 20:21:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 20:21:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 20:21:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 20:21:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 20:21:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 20:21:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 20:21:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 20:21:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 20:21:17,927 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 20:21:17,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:21:17 BoogieIcfgContainer [2018-11-07 20:21:17,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 20:21:17,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 20:21:17,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 20:21:17,932 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 20:21:17,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:21:05" (1/3) ... [2018-11-07 20:21:17,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9a67f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:21:17, skipping insertion in model container [2018-11-07 20:21:17,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:07" (2/3) ... [2018-11-07 20:21:17,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9a67f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:21:17, skipping insertion in model container [2018-11-07 20:21:17,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:21:17" (3/3) ... [2018-11-07 20:21:17,936 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label44_true-unreach-call.c [2018-11-07 20:21:17,946 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 20:21:17,955 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 20:21:17,970 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 20:21:18,018 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 20:21:18,018 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 20:21:18,019 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 20:21:18,019 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 20:21:18,019 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 20:21:18,019 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 20:21:18,019 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 20:21:18,019 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 20:21:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-11-07 20:21:18,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-07 20:21:18,083 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:21:18,084 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:21:18,087 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:21:18,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:21:18,092 INFO L82 PathProgramCache]: Analyzing trace with hash -567978269, now seen corresponding path program 1 times [2018-11-07 20:21:18,094 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:21:18,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:21:18,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:21:18,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:21:18,235 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:21:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:21:18,717 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:21:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:21:18,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:21:18,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 20:21:18,863 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:21:18,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 20:21:18,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 20:21:18,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:21:18,888 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 3 states. [2018-11-07 20:21:26,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:21:26,238 INFO L93 Difference]: Finished difference Result 2446 states and 4700 transitions. [2018-11-07 20:21:26,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 20:21:26,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-11-07 20:21:26,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:21:26,293 INFO L225 Difference]: With dead ends: 2446 [2018-11-07 20:21:26,293 INFO L226 Difference]: Without dead ends: 1604 [2018-11-07 20:21:26,311 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:21:26,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2018-11-07 20:21:26,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2018-11-07 20:21:26,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-11-07 20:21:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2861 transitions. [2018-11-07 20:21:26,518 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2861 transitions. Word has length 57 [2018-11-07 20:21:26,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:21:26,519 INFO L480 AbstractCegarLoop]: Abstraction has 1604 states and 2861 transitions. [2018-11-07 20:21:26,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 20:21:26,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2861 transitions. [2018-11-07 20:21:26,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-07 20:21:26,531 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:21:26,532 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:21:26,532 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:21:26,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:21:26,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1852276032, now seen corresponding path program 1 times [2018-11-07 20:21:26,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:21:26,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:21:26,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:21:26,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:21:26,536 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:21:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:21:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:21:27,064 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:21:27,065 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:21:27,066 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2018-11-07 20:21:27,068 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2223], [2225], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2384], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-11-07 20:21:27,122 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:21:27,125 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:21:27,999 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:21:28,001 INFO L272 AbstractInterpreter]: Visited 83 different actions 159 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-07 20:21:28,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:21:28,054 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:21:28,723 INFO L227 lantSequenceWeakener]: Weakened 130 states. On average, predicates are now at 76.12% of their original sizes. [2018-11-07 20:21:28,723 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:21:29,432 INFO L415 sIntCurrentIteration]: We unified 132 AI predicates to 132 [2018-11-07 20:21:29,433 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:21:29,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:21:29,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2018-11-07 20:21:29,434 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:21:29,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 20:21:29,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 20:21:29,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 20:21:29,437 INFO L87 Difference]: Start difference. First operand 1604 states and 2861 transitions. Second operand 11 states. [2018-11-07 20:21:38,800 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:22:17,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:22:17,364 INFO L93 Difference]: Finished difference Result 5512 states and 10057 transitions. [2018-11-07 20:22:17,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-07 20:22:17,365 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 133 [2018-11-07 20:22:17,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:22:17,385 INFO L225 Difference]: With dead ends: 5512 [2018-11-07 20:22:17,385 INFO L226 Difference]: Without dead ends: 3914 [2018-11-07 20:22:17,393 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 141 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2018-11-07 20:22:17,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2018-11-07 20:22:17,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 3911. [2018-11-07 20:22:17,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3911 states. [2018-11-07 20:22:17,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3911 states to 3911 states and 5199 transitions. [2018-11-07 20:22:17,496 INFO L78 Accepts]: Start accepts. Automaton has 3911 states and 5199 transitions. Word has length 133 [2018-11-07 20:22:17,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:22:17,497 INFO L480 AbstractCegarLoop]: Abstraction has 3911 states and 5199 transitions. [2018-11-07 20:22:17,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 20:22:17,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3911 states and 5199 transitions. [2018-11-07 20:22:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-07 20:22:17,505 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:22:17,506 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:22:17,506 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:22:17,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:22:17,507 INFO L82 PathProgramCache]: Analyzing trace with hash -585455863, now seen corresponding path program 1 times [2018-11-07 20:22:17,507 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:22:17,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:22:17,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:22:17,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:22:17,509 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:22:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:22:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 123 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:22:18,610 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:22:18,610 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:22:18,610 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 280 with the following transitions: [2018-11-07 20:22:18,611 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2223], [2225], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2384], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2664], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-11-07 20:22:18,617 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:22:18,617 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:22:18,850 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:22:20,135 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:22:20,136 INFO L272 AbstractInterpreter]: Visited 154 different actions 460 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 26 variables. [2018-11-07 20:22:20,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:22:20,142 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:22:20,644 INFO L227 lantSequenceWeakener]: Weakened 276 states. On average, predicates are now at 75.57% of their original sizes. [2018-11-07 20:22:20,644 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:22:21,354 INFO L415 sIntCurrentIteration]: We unified 278 AI predicates to 278 [2018-11-07 20:22:21,355 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:22:21,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:22:21,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2018-11-07 20:22:21,356 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:22:21,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 20:22:21,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 20:22:21,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 20:22:21,357 INFO L87 Difference]: Start difference. First operand 3911 states and 5199 transitions. Second operand 11 states. [2018-11-07 20:23:16,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:23:16,787 INFO L93 Difference]: Finished difference Result 7080 states and 10920 transitions. [2018-11-07 20:23:16,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-07 20:23:16,787 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 279 [2018-11-07 20:23:16,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:23:16,813 INFO L225 Difference]: With dead ends: 7080 [2018-11-07 20:23:16,814 INFO L226 Difference]: Without dead ends: 5482 [2018-11-07 20:23:16,820 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 287 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2018-11-07 20:23:16,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5482 states. [2018-11-07 20:23:16,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5482 to 5475. [2018-11-07 20:23:16,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5475 states. [2018-11-07 20:23:16,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5475 states to 5475 states and 6866 transitions. [2018-11-07 20:23:16,960 INFO L78 Accepts]: Start accepts. Automaton has 5475 states and 6866 transitions. Word has length 279 [2018-11-07 20:23:16,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:23:16,961 INFO L480 AbstractCegarLoop]: Abstraction has 5475 states and 6866 transitions. [2018-11-07 20:23:16,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 20:23:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states and 6866 transitions. [2018-11-07 20:23:16,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-07 20:23:16,966 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:23:16,967 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:23:16,967 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:23:16,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:23:16,968 INFO L82 PathProgramCache]: Analyzing trace with hash 727005521, now seen corresponding path program 1 times [2018-11-07 20:23:16,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:23:16,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:23:16,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:23:16,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:23:16,969 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:23:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:23:17,607 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-07 20:23:17,822 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-11-07 20:23:18,098 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:23:18,098 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:23:18,098 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:23:18,098 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 284 with the following transitions: [2018-11-07 20:23:18,099 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2223], [2225], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2384], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2680], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-11-07 20:23:18,106 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:23:18,106 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:23:18,263 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:23:18,594 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:23:18,595 INFO L272 AbstractInterpreter]: Visited 159 different actions 473 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 26 variables. [2018-11-07 20:23:18,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:23:18,603 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:23:18,603 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:23:18,603 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 20:23:18,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:23:18,613 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:23:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:23:18,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:23:19,054 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-07 20:23:19,054 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:23:19,567 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-07 20:23:19,599 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:23:19,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 12 [2018-11-07 20:23:19,600 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:23:19,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 20:23:19,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 20:23:19,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-11-07 20:23:19,602 INFO L87 Difference]: Start difference. First operand 5475 states and 6866 transitions. Second operand 3 states. [2018-11-07 20:23:26,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:23:26,091 INFO L93 Difference]: Finished difference Result 10937 states and 15051 transitions. [2018-11-07 20:23:26,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 20:23:26,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2018-11-07 20:23:26,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:23:26,131 INFO L225 Difference]: With dead ends: 10937 [2018-11-07 20:23:26,132 INFO L226 Difference]: Without dead ends: 7775 [2018-11-07 20:23:26,144 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 564 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-11-07 20:23:26,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7775 states. [2018-11-07 20:23:26,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7775 to 7775. [2018-11-07 20:23:26,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7775 states. [2018-11-07 20:23:26,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7775 states to 7775 states and 9625 transitions. [2018-11-07 20:23:26,333 INFO L78 Accepts]: Start accepts. Automaton has 7775 states and 9625 transitions. Word has length 283 [2018-11-07 20:23:26,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:23:26,334 INFO L480 AbstractCegarLoop]: Abstraction has 7775 states and 9625 transitions. [2018-11-07 20:23:26,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 20:23:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 7775 states and 9625 transitions. [2018-11-07 20:23:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-07 20:23:26,341 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:23:26,342 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:23:26,342 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:23:26,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:23:26,342 INFO L82 PathProgramCache]: Analyzing trace with hash -407345472, now seen corresponding path program 1 times [2018-11-07 20:23:26,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:23:26,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:23:26,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:23:26,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:23:26,344 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:23:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:23:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:23:26,946 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:23:26,946 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:23:26,947 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 285 with the following transitions: [2018-11-07 20:23:26,947 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2223], [2225], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2388], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2680], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-11-07 20:23:26,953 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:23:26,954 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:23:27,139 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:23:27,525 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:23:27,525 INFO L272 AbstractInterpreter]: Visited 158 different actions 310 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-07 20:23:27,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:23:27,563 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:23:28,307 INFO L227 lantSequenceWeakener]: Weakened 36 states. On average, predicates are now at 74.64% of their original sizes. [2018-11-07 20:23:28,308 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:23:30,401 INFO L415 sIntCurrentIteration]: We unified 283 AI predicates to 283 [2018-11-07 20:23:30,401 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:23:30,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:23:30,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-07 20:23:30,402 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:23:30,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-07 20:23:30,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-07 20:23:30,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2018-11-07 20:23:30,403 INFO L87 Difference]: Start difference. First operand 7775 states and 9625 transitions. Second operand 19 states. Received shutdown request... [2018-11-07 20:24:37,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 20:24:37,451 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 20:24:37,457 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 20:24:37,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:24:37 BoogieIcfgContainer [2018-11-07 20:24:37,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 20:24:37,458 INFO L168 Benchmark]: Toolchain (without parser) took 211932.44 ms. Allocated memory was 1.5 GB in the beginning and 5.2 GB in the end (delta: 3.7 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -217.4 MB). Peak memory consumption was 3.5 GB. Max. memory is 7.1 GB. [2018-11-07 20:24:37,459 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 20:24:37,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2146.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 203.5 MB). Peak memory consumption was 203.5 MB. Max. memory is 7.1 GB. [2018-11-07 20:24:37,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 370.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 794.8 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 54.5 MB. Max. memory is 7.1 GB. [2018-11-07 20:24:37,462 INFO L168 Benchmark]: Boogie Preprocessor took 288.89 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2018-11-07 20:24:37,462 INFO L168 Benchmark]: RCFGBuilder took 9593.03 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.6 GB in the end (delta: 642.5 MB). Peak memory consumption was 642.5 MB. Max. memory is 7.1 GB. [2018-11-07 20:24:37,464 INFO L168 Benchmark]: TraceAbstraction took 199528.39 ms. Allocated memory was 2.3 GB in the beginning and 5.2 GB in the end (delta: 2.9 GB). Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: -44.6 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-11-07 20:24:37,468 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2146.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 203.5 MB). Peak memory consumption was 203.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 370.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 794.8 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 54.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 288.89 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9593.03 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.6 GB in the end (delta: 642.5 MB). Peak memory consumption was 642.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 199528.39 ms. Allocated memory was 2.3 GB in the beginning and 5.2 GB in the end (delta: 2.9 GB). Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: -44.6 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 162]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 162). Cancelled while BasicCegarLoop was constructing difference of abstraction (7775states) and FLOYD_HOARE automaton (currently 23 states, 19 states before enhancement),while ReachableStatesComputation was computing reachable states (6826 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 199.4s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 184.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3197 SDtfs, 12433 SDslu, 1365 SDs, 0 SdLazy, 27343 SolverSat, 4218 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 78.0s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1301 GetRequests, 1224 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7775occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.6s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9974127904845013 AbsIntWeakeningRatio, 0.10822510822510822 AbsIntAvgWeakeningVarsNumRemoved, 20.206349206349206 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1319 NumberOfCodeBlocks, 1319 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1595 ConstructedInterpolants, 0 QuantifiedInterpolants, 2398023 SizeOfPredicates, 3 NumberOfNonLiveVariables, 491 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 867/931 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown