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-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label27_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-07 12:46:49,560 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-07 12:46:49,562 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-07 12:46:49,576 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-07 12:46:49,577 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-07 12:46:49,578 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-07 12:46:49,580 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-07 12:46:49,582 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-07 12:46:49,583 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-07 12:46:49,584 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-07 12:46:49,585 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-07 12:46:49,585 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-07 12:46:49,586 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-07 12:46:49,587 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-07 12:46:49,588 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-07 12:46:49,589 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-07 12:46:49,590 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-07 12:46:49,591 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-07 12:46:49,593 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-07 12:46:49,595 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-07 12:46:49,596 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-07 12:46:49,597 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-07 12:46:49,599 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-07 12:46:49,599 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-07 12:46:49,600 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-07 12:46:49,601 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-07 12:46:49,601 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-07 12:46:49,602 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-07 12:46:49,603 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-07 12:46:49,605 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-07 12:46:49,606 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-07 12:46:49,606 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-07 12:46:49,609 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-07 12:46:49,610 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-07 12:46:49,612 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-07 12:46:49,613 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-07 12:46:49,613 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-08-07 12:46:49,636 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-07 12:46:49,636 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-07 12:46:49,637 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-07 12:46:49,637 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-07 12:46:49,637 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-07 12:46:49,637 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-07 12:46:49,637 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-07 12:46:49,638 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-07 12:46:49,638 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-07 12:46:49,638 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-07 12:46:49,638 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-07 12:46:49,639 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-07 12:46:49,639 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-07 12:46:49,639 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-07 12:46:49,639 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-07 12:46:49,640 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-07 12:46:49,640 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-07 12:46:49,640 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-07 12:46:49,640 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-07 12:46:49,640 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-07 12:46:49,640 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-07 12:46:49,641 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-07 12:46:49,641 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-07 12:46:49,641 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-07 12:46:49,641 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-07 12:46:49,641 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-07 12:46:49,642 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-07 12:46:49,642 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-08-07 12:46:49,642 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-07 12:46:49,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-07 12:46:49,642 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-07 12:46:49,642 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-07 12:46:49,643 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-07 12:46:49,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-07 12:46:49,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-07 12:46:49,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-07 12:46:49,706 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-07 12:46:49,707 INFO L276 PluginConnector]: CDTParser initialized [2018-08-07 12:46:49,708 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label27_true-unreach-call.c [2018-08-07 12:46:50,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e577168fd/10d68ca7b5f24d339fe9b5b72dd7f950/FLAGcb6dcf74d [2018-08-07 12:46:50,439 INFO L276 CDTParser]: Found 1 translation units. [2018-08-07 12:46:50,442 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label27_true-unreach-call.c [2018-08-07 12:46:50,467 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e577168fd/10d68ca7b5f24d339fe9b5b72dd7f950/FLAGcb6dcf74d [2018-08-07 12:46:50,487 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e577168fd/10d68ca7b5f24d339fe9b5b72dd7f950 [2018-08-07 12:46:50,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-07 12:46:50,502 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-07 12:46:50,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-07 12:46:50,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-07 12:46:50,510 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-07 12:46:50,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:46:50" (1/1) ... [2018-08-07 12:46:50,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c159d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:46:50, skipping insertion in model container [2018-08-07 12:46:50,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:46:50" (1/1) ... [2018-08-07 12:46:50,758 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-07 12:46:51,343 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-07 12:46:51,360 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-07 12:46:51,668 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-07 12:46:51,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:46:51 WrapperNode [2018-08-07 12:46:51,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-07 12:46:51,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-07 12:46:51,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-07 12:46:51,797 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-07 12:46:51,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:46:51" (1/1) ... [2018-08-07 12:46:51,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:46:51" (1/1) ... [2018-08-07 12:46:52,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-07 12:46:52,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-07 12:46:52,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-07 12:46:52,103 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-07 12:46:52,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:46:51" (1/1) ... [2018-08-07 12:46:52,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:46:51" (1/1) ... [2018-08-07 12:46:52,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:46:51" (1/1) ... [2018-08-07 12:46:52,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:46:51" (1/1) ... [2018-08-07 12:46:52,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:46:51" (1/1) ... [2018-08-07 12:46:52,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:46:51" (1/1) ... [2018-08-07 12:46:52,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:46:51" (1/1) ... [2018-08-07 12:46:52,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-07 12:46:52,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-07 12:46:52,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-07 12:46:52,776 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-07 12:46:52,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:46:51" (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 [2018-08-07 12:46:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-07 12:46:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-07 12:46:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-07 12:46:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-07 12:46:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-07 12:46:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-07 12:46:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-07 12:46:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-07 12:46:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-08-07 12:46:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-08-07 12:46:59,357 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-07 12:46:59,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:46:59 BoogieIcfgContainer [2018-08-07 12:46:59,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-07 12:46:59,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-07 12:46:59,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-07 12:46:59,362 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-07 12:46:59,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 12:46:50" (1/3) ... [2018-08-07 12:46:59,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27203f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:46:59, skipping insertion in model container [2018-08-07 12:46:59,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:46:51" (2/3) ... [2018-08-07 12:46:59,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27203f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:46:59, skipping insertion in model container [2018-08-07 12:46:59,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:46:59" (3/3) ... [2018-08-07 12:46:59,367 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label27_true-unreach-call.c [2018-08-07 12:46:59,376 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-07 12:46:59,385 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-07 12:46:59,439 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-07 12:46:59,439 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-07 12:46:59,440 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-07 12:46:59,440 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-07 12:46:59,440 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-07 12:46:59,440 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-07 12:46:59,440 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-07 12:46:59,441 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-07 12:46:59,441 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-07 12:46:59,474 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-08-07 12:46:59,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-08-07 12:46:59,483 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 12:46:59,484 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] [2018-08-07 12:46:59,485 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 12:46:59,490 INFO L82 PathProgramCache]: Analyzing trace with hash -2044386660, now seen corresponding path program 1 times [2018-08-07 12:46:59,493 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 12:46:59,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 12:46:59,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 12:46:59,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 12:46:59,543 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 12:46:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 12:46:59,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 12:46:59,984 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-07 12:46:59,984 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-08-07 12:46:59,984 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 12:46:59,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-08-07 12:47:00,008 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-08-07 12:47:00,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-08-07 12:47:00,012 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-08-07 12:47:07,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 12:47:07,708 INFO L93 Difference]: Finished difference Result 1510 states and 2773 transitions. [2018-08-07 12:47:07,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-08-07 12:47:07,709 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2018-08-07 12:47:07,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 12:47:07,736 INFO L225 Difference]: With dead ends: 1510 [2018-08-07 12:47:07,736 INFO L226 Difference]: Without dead ends: 1066 [2018-08-07 12:47:07,748 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-08-07 12:47:07,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2018-08-07 12:47:07,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1064. [2018-08-07 12:47:07,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1064 states. [2018-08-07 12:47:07,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1590 transitions. [2018-08-07 12:47:07,861 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1590 transitions. Word has length 44 [2018-08-07 12:47:07,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 12:47:07,862 INFO L480 AbstractCegarLoop]: Abstraction has 1064 states and 1590 transitions. [2018-08-07 12:47:07,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-08-07 12:47:07,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1590 transitions. [2018-08-07 12:47:07,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-08-07 12:47:07,869 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 12:47:07,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-07 12:47:07,870 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 12:47:07,870 INFO L82 PathProgramCache]: Analyzing trace with hash -642429433, now seen corresponding path program 1 times [2018-08-07 12:47:07,871 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 12:47:07,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 12:47:07,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 12:47:07,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 12:47:07,872 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 12:47:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 12:47:08,100 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 12:47:08,101 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-07 12:47:08,101 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-08-07 12:47:08,101 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 12:47:08,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-08-07 12:47:08,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-08-07 12:47:08,104 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-08-07 12:47:08,104 INFO L87 Difference]: Start difference. First operand 1064 states and 1590 transitions. Second operand 4 states. [2018-08-07 12:47:16,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 12:47:16,471 INFO L93 Difference]: Finished difference Result 3981 states and 6119 transitions. [2018-08-07 12:47:16,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-08-07 12:47:16,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 114 [2018-08-07 12:47:16,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 12:47:16,496 INFO L225 Difference]: With dead ends: 3981 [2018-08-07 12:47:16,496 INFO L226 Difference]: Without dead ends: 2923 [2018-08-07 12:47:16,507 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-08-07 12:47:16,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2923 states. [2018-08-07 12:47:16,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2923 to 2918. [2018-08-07 12:47:16,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2918 states. [2018-08-07 12:47:16,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 4017 transitions. [2018-08-07 12:47:16,622 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 4017 transitions. Word has length 114 [2018-08-07 12:47:16,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 12:47:16,623 INFO L480 AbstractCegarLoop]: Abstraction has 2918 states and 4017 transitions. [2018-08-07 12:47:16,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-08-07 12:47:16,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 4017 transitions. [2018-08-07 12:47:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-08-07 12:47:16,649 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 12:47:16,650 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-07 12:47:16,651 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 12:47:16,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1208578198, now seen corresponding path program 1 times [2018-08-07 12:47:16,651 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 12:47:16,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 12:47:16,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 12:47:16,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 12:47:16,653 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 12:47:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 12:47:17,482 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 77 proven. 87 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-08-07 12:47:17,483 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 12:47:17,483 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 [2018-08-07 12:47:17,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 12:47:17,504 INFO L292 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 12:47:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 12:47:17,684 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 12:47:18,103 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-08-07 12:47:18,104 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 12:47:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-08-07 12:47:18,695 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-08-07 12:47:18,695 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6] total 11 [2018-08-07 12:47:18,695 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 12:47:18,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-08-07 12:47:18,697 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-08-07 12:47:18,697 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-08-07 12:47:18,697 INFO L87 Difference]: Start difference. First operand 2918 states and 4017 transitions. Second operand 5 states. [2018-08-07 12:47:29,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 12:47:29,365 INFO L93 Difference]: Finished difference Result 8739 states and 12216 transitions. [2018-08-07 12:47:29,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-07 12:47:29,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 264 [2018-08-07 12:47:29,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 12:47:29,410 INFO L225 Difference]: With dead ends: 8739 [2018-08-07 12:47:29,410 INFO L226 Difference]: Without dead ends: 5827 [2018-08-07 12:47:29,427 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 525 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-08-07 12:47:29,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5827 states. [2018-08-07 12:47:29,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5827 to 5782. [2018-08-07 12:47:29,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5782 states. [2018-08-07 12:47:29,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5782 states to 5782 states and 7503 transitions. [2018-08-07 12:47:29,610 INFO L78 Accepts]: Start accepts. Automaton has 5782 states and 7503 transitions. Word has length 264 [2018-08-07 12:47:29,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 12:47:29,611 INFO L480 AbstractCegarLoop]: Abstraction has 5782 states and 7503 transitions. [2018-08-07 12:47:29,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-08-07 12:47:29,611 INFO L276 IsEmpty]: Start isEmpty. Operand 5782 states and 7503 transitions. [2018-08-07 12:47:29,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-08-07 12:47:29,619 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 12:47:29,619 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-08-07 12:47:29,620 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 12:47:29,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1240662591, now seen corresponding path program 1 times [2018-08-07 12:47:29,620 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 12:47:29,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 12:47:29,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 12:47:29,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 12:47:29,622 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 12:47:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 12:47:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 12:47:30,347 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 12:47:30,348 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-08-07 12:47:30,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 12:47:30,360 INFO L292 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 12:47:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 12:47:30,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 12:47:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 12:47:30,843 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 12:47:31,178 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 12:47:31,210 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 12:47:31,210 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-08-07 12:47:31,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 12:47:31,238 INFO L292 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 12:47:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 12:47:31,490 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 12:47:31,665 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 12:47:31,666 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 12:47:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 12:47:32,179 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-08-07 12:47:32,179 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 11 [2018-08-07 12:47:32,180 INFO L255 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-08-07 12:47:32,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-07 12:47:32,182 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-07 12:47:32,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-08-07 12:47:32,182 INFO L87 Difference]: Start difference. First operand 5782 states and 7503 transitions. Second operand 9 states. [2018-08-07 12:47:44,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 12:47:44,534 INFO L93 Difference]: Finished difference Result 16470 states and 23163 transitions. [2018-08-07 12:47:44,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-08-07 12:47:44,540 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 332 [2018-08-07 12:47:44,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 12:47:44,605 INFO L225 Difference]: With dead ends: 16470 [2018-08-07 12:47:44,605 INFO L226 Difference]: Without dead ends: 10694 [2018-08-07 12:47:44,668 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 1350 GetRequests, 1326 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=146, Invalid=316, Unknown=0, NotChecked=0, Total=462 [2018-08-07 12:47:44,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10694 states. [2018-08-07 12:47:44,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10694 to 10657. [2018-08-07 12:47:44,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10657 states. [2018-08-07 12:47:44,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10657 states to 10657 states and 13502 transitions. [2018-08-07 12:47:44,989 INFO L78 Accepts]: Start accepts. Automaton has 10657 states and 13502 transitions. Word has length 332 [2018-08-07 12:47:44,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 12:47:44,990 INFO L480 AbstractCegarLoop]: Abstraction has 10657 states and 13502 transitions. [2018-08-07 12:47:44,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-08-07 12:47:44,992 INFO L276 IsEmpty]: Start isEmpty. Operand 10657 states and 13502 transitions. [2018-08-07 12:47:44,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-08-07 12:47:45,000 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 12:47:45,000 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-08-07 12:47:45,001 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 12:47:45,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1835309459, now seen corresponding path program 1 times [2018-08-07 12:47:45,001 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 12:47:45,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 12:47:45,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 12:47:45,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 12:47:45,005 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 12:47:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 12:47:45,540 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-08-07 12:47:45,540 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 12:47:45,540 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-08-07 12:47:45,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 12:47:45,549 INFO L292 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 12:47:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 12:47:45,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 12:47:46,157 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-08-07 12:47:46,157 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 12:47:46,542 WARN L170 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2018-08-07 12:47:47,193 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 74 proven. 107 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-08-07 12:47:47,214 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-08-07 12:47:47,214 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 5] total 12 [2018-08-07 12:47:47,214 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 12:47:47,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-08-07 12:47:47,215 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-08-07 12:47:47,215 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2018-08-07 12:47:47,215 INFO L87 Difference]: Start difference. First operand 10657 states and 13502 transitions. Second operand 5 states. [2018-08-07 12:48:00,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 12:48:00,819 INFO L93 Difference]: Finished difference Result 27226 states and 35373 transitions. [2018-08-07 12:48:00,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-08-07 12:48:00,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 357 [2018-08-07 12:48:00,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 12:48:00,926 INFO L225 Difference]: With dead ends: 27226 [2018-08-07 12:48:00,926 INFO L226 Difference]: Without dead ends: 16575 [2018-08-07 12:48:00,985 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 712 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-08-07 12:48:01,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16575 states. [2018-08-07 12:48:01,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16575 to 16164. [2018-08-07 12:48:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16164 states. [2018-08-07 12:48:01,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16164 states to 16164 states and 20117 transitions. [2018-08-07 12:48:01,423 INFO L78 Accepts]: Start accepts. Automaton has 16164 states and 20117 transitions. Word has length 357 [2018-08-07 12:48:01,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 12:48:01,424 INFO L480 AbstractCegarLoop]: Abstraction has 16164 states and 20117 transitions. [2018-08-07 12:48:01,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-08-07 12:48:01,424 INFO L276 IsEmpty]: Start isEmpty. Operand 16164 states and 20117 transitions. [2018-08-07 12:48:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2018-08-07 12:48:01,437 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 12:48:01,438 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-08-07 12:48:01,438 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 12:48:01,438 INFO L82 PathProgramCache]: Analyzing trace with hash 495207588, now seen corresponding path program 1 times [2018-08-07 12:48:01,438 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 12:48:01,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 12:48:01,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 12:48:01,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 12:48:01,443 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 12:48:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 12:48:02,368 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 40 proven. 140 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-08-07 12:48:02,368 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 12:48:02,368 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-08-07 12:48:02,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 12:48:02,377 INFO L292 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 12:48:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 12:48:02,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 12:48:16,609 WARN L170 SmtUtils]: Spent 13.57 s on a formula simplification. DAG size of input: 116 DAG size of output: 50 [2018-08-07 12:48:17,008 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 146 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 12:48:17,008 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 12:48:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 146 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 12:48:17,659 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 12:48:17,659 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-08-07 12:48:17,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 12:48:17,674 INFO L292 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 12:48:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 12:48:18,021 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 12:48:40,436 WARN L170 SmtUtils]: Spent 22.15 s on a formula simplification that was a NOOP. DAG size: 59 [2018-08-07 12:48:42,927 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 75 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 12:48:42,927 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 12:48:43,181 WARN L170 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2018-08-07 12:48:43,681 WARN L170 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2018-08-07 12:48:45,948 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:46,064 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2018-08-07 12:48:57,416 WARN L170 SmtUtils]: Spent 6.94 s on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2018-08-07 12:48:57,421 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,428 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,435 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,442 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,448 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,454 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,461 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,467 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,473 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,484 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,496 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,505 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,511 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,524 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,535 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,542 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,549 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,555 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,561 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,567 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,574 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,580 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,586 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,593 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,599 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,606 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,612 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,617 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,623 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,630 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,637 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,643 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,649 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,654 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,660 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,666 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,671 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,677 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,683 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,690 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,696 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,701 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,707 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,712 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,718 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,723 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,730 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,736 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,744 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,751 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,757 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,764 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,769 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,776 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,783 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,789 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,794 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,801 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,806 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,811 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,816 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,822 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,827 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,833 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,838 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,845 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,850 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,855 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,861 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,866 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,871 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,876 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,882 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,888 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,894 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,899 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,904 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,909 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,915 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,920 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,925 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,931 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,936 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,941 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,947 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,952 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,957 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,962 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,968 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,974 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,979 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,987 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,992 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:57,999 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,004 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,009 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,015 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,020 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,026 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,031 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,036 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,042 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,047 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,052 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,057 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,062 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,067 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,073 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,078 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,083 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,091 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,096 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,101 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,107 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,112 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,117 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,124 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,129 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,134 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,139 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,144 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,149 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,154 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,159 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,164 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,169 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,175 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,180 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,185 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,190 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,195 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,200 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,206 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,211 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,216 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,221 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,227 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,233 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,238 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,243 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,249 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,254 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,259 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,264 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,269 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,274 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,279 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,284 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,289 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,294 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,300 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,306 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,311 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,316 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,321 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,331 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,336 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,341 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,345 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,350 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,355 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,361 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,366 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,371 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,376 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,381 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,386 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,391 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,396 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,401 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,406 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,412 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,417 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,422 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,427 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,432 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,437 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,443 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,448 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,453 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,458 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,463 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,468 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,473 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,478 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,483 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,488 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,493 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,498 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,503 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,508 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,513 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,518 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,523 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,528 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,533 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,538 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,543 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,548 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,553 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,558 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,562 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,567 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,572 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,577 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,583 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,588 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,593 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,598 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,604 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,608 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,613 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,618 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,623 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,628 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,634 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,638 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,643 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,649 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,654 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,659 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,664 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,670 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,675 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,680 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,686 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,691 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,696 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,701 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,706 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,712 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,717 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,722 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,728 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,733 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,738 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,744 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,749 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,756 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,761 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,767 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,772 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,777 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,782 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,787 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,793 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,798 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,803 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,809 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,814 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,820 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,826 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,831 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,836 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,842 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,847 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,853 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,858 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,863 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,869 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,874 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,879 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,884 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,890 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,895 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,900 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:48:58,906 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-08-07 12:49:05,747 WARN L170 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-08-07 12:49:11,101 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 75 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 12:49:11,104 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-08-07 12:49:11,104 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7, 9, 10] total 30 [2018-08-07 12:49:11,104 INFO L255 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-08-07 12:49:11,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-08-07 12:49:11,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-08-07 12:49:11,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=755, Unknown=8, NotChecked=0, Total=870 [2018-08-07 12:49:11,106 INFO L87 Difference]: Start difference. First operand 16164 states and 20117 transitions. Second operand 13 states. [2018-08-07 12:49:21,034 WARN L170 SmtUtils]: Spent 6.34 s on a formula simplification that was a NOOP. DAG size: 72 [2018-08-07 12:49:34,348 WARN L170 SmtUtils]: Spent 12.42 s on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2018-08-07 12:49:41,419 WARN L170 SmtUtils]: Spent 6.17 s on a formula simplification that was a NOOP. DAG size: 55 [2018-08-07 12:49:54,199 WARN L170 SmtUtils]: Spent 12.44 s on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2018-08-07 12:50:02,195 WARN L170 SmtUtils]: Spent 6.36 s on a formula simplification that was a NOOP. DAG size: 71 [2018-08-07 12:50:10,975 WARN L170 SmtUtils]: Spent 6.32 s on a formula simplification that was a NOOP. DAG size: 59 [2018-08-07 12:50:22,615 WARN L170 SmtUtils]: Spent 6.25 s on a formula simplification that was a NOOP. DAG size: 66 [2018-08-07 12:50:35,127 WARN L170 SmtUtils]: Spent 12.28 s on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2018-08-07 12:50:42,505 WARN L170 SmtUtils]: Spent 6.40 s on a formula simplification that was a NOOP. DAG size: 69 [2018-08-07 12:50:54,398 WARN L170 SmtUtils]: Spent 6.14 s on a formula simplification that was a NOOP. DAG size: 53 [2018-08-07 12:51:02,032 WARN L170 SmtUtils]: Spent 6.29 s on a formula simplification that was a NOOP. DAG size: 57 Received shutdown request... [2018-08-07 12:51:10,420 WARN L178 SmtUtils]: Removed 3 from assertion stack [2018-08-07 12:51:10,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-08-07 12:51:10,421 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-07 12:51:10,425 WARN L202 ceAbstractionStarter]: Timeout [2018-08-07 12:51:10,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 12:51:10 BoogieIcfgContainer [2018-08-07 12:51:10,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-07 12:51:10,427 INFO L168 Benchmark]: Toolchain (without parser) took 259926.47 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -446.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-08-07 12:51:10,428 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. [2018-08-07 12:51:10,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1293.72 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: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2018-08-07 12:51:10,429 INFO L168 Benchmark]: Boogie Procedure Inliner took 304.82 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-08-07 12:51:10,430 INFO L168 Benchmark]: Boogie Preprocessor took 672.74 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 885.0 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 95.0 MB. Max. memory is 7.1 GB. [2018-08-07 12:51:10,431 INFO L168 Benchmark]: RCFGBuilder took 6582.81 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 330.0 MB). Peak memory consumption was 330.0 MB. Max. memory is 7.1 GB. [2018-08-07 12:51:10,431 INFO L168 Benchmark]: TraceAbstraction took 251067.01 ms. Allocated memory was 2.4 GB in the beginning and 3.2 GB in the end (delta: 783.8 MB). Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 96.8 MB). Peak memory consumption was 880.6 MB. Max. memory is 7.1 GB. [2018-08-07 12:51:10,436 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 1293.72 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: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 304.82 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 672.74 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 885.0 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 95.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6582.81 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 330.0 MB). Peak memory consumption was 330.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 251067.01 ms. Allocated memory was 2.4 GB in the beginning and 3.2 GB in the end (delta: 783.8 MB). Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 96.8 MB). Peak memory consumption was 880.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 118). Cancelled while BasicCegarLoop was constructing difference of abstraction (16164states) and FLOYD_HOARE automaton (currently 49 states, 13 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 57. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 250.9s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 172.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1290 SDtfs, 11129 SDslu, 1796 SDs, 0 SdLazy, 18823 SolverSat, 4051 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 69.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4418 GetRequests, 4289 SyntacticMatches, 12 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1424 ImplicationChecksByTransitivity, 154.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16164occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 500 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 74.7s InterpolantComputationTime, 3689 NumberOfCodeBlocks, 3689 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 5818 ConstructedInterpolants, 302 QuantifiedInterpolants, 31371622 SizeOfPredicates, 19 NumberOfNonLiveVariables, 3219 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 18 InterpolantComputations, 5 PerfectInterpolantSequences, 2107/2830 InterpolantCoveringCapability, 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/Problem15_label27_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-07_12-51-10-449.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label27_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-07_12-51-10-449.csv Completed graceful shutdown