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/AutomizerBpl.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:46:03,317 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:46:03,319 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:46:03,336 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:46:03,337 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:46:03,338 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:46:03,339 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:46:03,341 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:46:03,343 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:46:03,343 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:46:03,344 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 15:46:03,344 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 15:46:03,345 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 15:46:03,346 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 15:46:03,348 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 15:46:03,348 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 15:46:03,349 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 15:46:03,351 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 15:46:03,353 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 15:46:03,355 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 15:46:03,356 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 15:46:03,357 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 15:46:03,359 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 15:46:03,360 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 15:46:03,360 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 15:46:03,361 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 15:46:03,362 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 15:46:03,363 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 15:46:03,364 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 15:46:03,365 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 15:46:03,365 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 15:46:03,366 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 15:46:03,366 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 15:46:03,367 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 15:46:03,368 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 15:46:03,368 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 15:46:03,369 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 15:46:03,378 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:46:03,379 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:46:03,380 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:46:03,380 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:46:03,380 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:46:03,380 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:46:03,381 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:46:03,381 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:46:03,382 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:46:03,382 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:46:03,382 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:46:03,382 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:46:03,382 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:46:03,383 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:46:03,383 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:46:03,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:46:03,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:46:03,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:46:03,444 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:46:03,444 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:46:03,445 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl [2018-10-10 15:46:03,445 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl' [2018-10-10 15:46:03,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:46:03,551 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:46:03,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:46:03,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:46:03,552 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:46:03,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:46:03" (1/1) ... [2018-10-10 15:46:03,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:46:03" (1/1) ... [2018-10-10 15:46:03,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:46:03" (1/1) ... [2018-10-10 15:46:03,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:46:03" (1/1) ... [2018-10-10 15:46:03,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:46:03" (1/1) ... [2018-10-10 15:46:03,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:46:03" (1/1) ... [2018-10-10 15:46:03,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:46:03" (1/1) ... [2018-10-10 15:46:03,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:46:03,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:46:03,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:46:03,656 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:46:03,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:46:03" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-10 15:46:03,730 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:46:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:46:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:46:05,282 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:46:05,283 INFO L202 PluginConnector]: Adding new model sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:46:05 BoogieIcfgContainer [2018-10-10 15:46:05,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:46:05,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:46:05,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:46:05,289 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:46:05,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:46:03" (1/2) ... [2018-10-10 15:46:05,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@744ecc59 and model type sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:46:05, skipping insertion in model container [2018-10-10 15:46:05,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:46:05" (2/2) ... [2018-10-10 15:46:05,296 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_30.bpl [2018-10-10 15:46:05,307 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:46:05,318 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:46:05,340 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:46:05,376 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:46:05,377 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:46:05,377 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:46:05,377 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:46:05,378 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:46:05,378 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:46:05,378 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:46:05,378 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:46:05,378 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:46:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states. [2018-10-10 15:46:05,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-10-10 15:46:05,436 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:46:05,438 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:46:05,439 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:46:05,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:46:05,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1038936915, now seen corresponding path program 1 times [2018-10-10 15:46:05,513 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:46:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:46:07,989 WARN L178 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2018-10-10 15:46:08,513 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-10-10 15:46:09,866 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2018-10-10 15:46:10,739 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-10-10 15:46:11,776 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2018-10-10 15:46:12,122 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2018-10-10 15:46:13,593 WARN L178 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2018-10-10 15:46:14,311 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2018-10-10 15:46:15,061 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2018-10-10 15:46:15,673 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2018-10-10 15:46:16,134 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-10-10 15:46:21,407 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-10 15:46:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:46:23,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:46:23,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [96] imperfect sequences [] total 96 [2018-10-10 15:46:23,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-10-10 15:46:23,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-10-10 15:46:23,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=8831, Unknown=0, NotChecked=0, Total=9120 [2018-10-10 15:46:23,926 INFO L87 Difference]: Start difference. First operand 343 states. Second operand 96 states. [2018-10-10 15:46:28,839 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-10-10 15:46:33,222 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2018-10-10 15:46:34,383 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2018-10-10 15:46:35,767 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2018-10-10 15:46:36,097 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2018-10-10 15:46:36,456 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2018-10-10 15:46:36,846 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2018-10-10 15:46:37,530 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2018-10-10 15:46:37,987 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2018-10-10 15:46:38,316 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2018-10-10 15:46:38,740 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 78 [2018-10-10 15:46:39,154 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 76 [2018-10-10 15:46:39,597 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 80 [2018-10-10 15:46:40,019 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 83 [2018-10-10 15:46:40,316 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2018-10-10 15:46:40,795 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2018-10-10 15:46:41,167 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 64 [2018-10-10 15:46:41,466 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2018-10-10 15:46:42,040 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2018-10-10 15:46:42,537 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 90 [2018-10-10 15:46:43,187 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 104 [2018-10-10 15:46:43,793 WARN L178 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 109 [2018-10-10 15:46:44,521 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2018-10-10 15:46:44,963 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 96 [2018-10-10 15:46:46,094 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2018-10-10 15:46:46,711 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 126 [2018-10-10 15:46:47,674 WARN L178 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 141 [2018-10-10 15:46:48,547 WARN L178 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 126 [2018-10-10 15:46:49,331 WARN L178 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2018-10-10 15:46:50,321 WARN L178 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 138 [2018-10-10 15:46:51,064 WARN L178 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 144 [2018-10-10 15:46:51,941 WARN L178 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 148 [2018-10-10 15:46:52,853 WARN L178 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 155 [2018-10-10 15:46:53,711 WARN L178 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 110 [2018-10-10 15:46:54,517 WARN L178 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2018-10-10 15:46:55,084 WARN L178 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 124 [2018-10-10 15:46:55,889 WARN L178 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 125 [2018-10-10 15:46:56,578 WARN L178 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 143 [2018-10-10 15:46:57,461 WARN L178 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 121 [2018-10-10 15:46:58,254 WARN L178 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 156 [2018-10-10 15:46:59,620 WARN L178 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 160 [2018-10-10 15:47:00,589 WARN L178 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 179 [2018-10-10 15:47:01,359 WARN L178 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 145 [2018-10-10 15:47:02,268 WARN L178 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 166 [2018-10-10 15:47:03,355 WARN L178 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 129 [2018-10-10 15:47:04,182 WARN L178 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 170 [2018-10-10 15:47:04,856 WARN L178 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 143 [2018-10-10 15:47:05,420 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 112 [2018-10-10 15:47:05,925 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 114 [2018-10-10 15:47:06,585 WARN L178 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 117 [2018-10-10 15:47:07,139 WARN L178 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 108 [2018-10-10 15:47:07,459 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2018-10-10 15:47:07,734 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2018-10-10 15:47:08,185 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2018-10-10 15:47:08,576 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2018-10-10 15:47:09,184 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 79 [2018-10-10 15:47:09,771 WARN L178 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 86 [2018-10-10 15:47:10,488 WARN L178 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 111 [2018-10-10 15:47:11,227 WARN L178 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 118 [2018-10-10 15:47:11,824 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2018-10-10 15:47:12,274 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2018-10-10 15:47:12,698 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2018-10-10 15:47:13,978 WARN L178 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 114 [2018-10-10 15:47:14,661 WARN L178 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 121 [2018-10-10 15:47:15,433 WARN L178 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 128 [2018-10-10 15:47:16,078 WARN L178 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 121 [2018-10-10 15:47:16,867 WARN L178 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 123 [2018-10-10 15:47:17,867 WARN L178 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 118 [2018-10-10 15:47:18,596 WARN L178 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 126 [2018-10-10 15:47:19,282 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2018-10-10 15:47:19,859 WARN L178 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 119 [2018-10-10 15:47:20,423 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 111 [2018-10-10 15:47:20,966 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 113 [2018-10-10 15:47:21,649 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 86 [2018-10-10 15:47:22,156 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 108 [2018-10-10 15:47:22,691 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 111 [2018-10-10 15:47:23,554 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 119 [2018-10-10 15:47:24,364 WARN L178 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 122 [2018-10-10 15:47:24,818 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 107 [2018-10-10 15:47:25,381 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 111 [2018-10-10 15:47:25,941 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2018-10-10 15:47:26,240 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2018-10-10 15:47:26,803 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2018-10-10 15:47:27,184 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2018-10-10 15:47:27,532 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2018-10-10 15:47:27,889 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2018-10-10 15:47:28,344 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2018-10-10 15:47:28,690 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2018-10-10 15:47:29,055 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2018-10-10 15:47:29,456 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2018-10-10 15:47:29,901 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2018-10-10 15:47:30,458 WARN L178 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2018-10-10 15:47:31,036 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2018-10-10 15:47:31,507 WARN L178 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2018-10-10 15:47:32,091 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 114 [2018-10-10 15:47:32,592 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 122 [2018-10-10 15:47:33,147 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2018-10-10 15:47:33,651 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 123 [2018-10-10 15:47:34,045 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 115 [2018-10-10 15:47:34,482 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2018-10-10 15:47:34,930 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2018-10-10 15:47:35,556 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2018-10-10 15:47:35,933 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2018-10-10 15:47:36,228 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2018-10-10 15:47:36,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:47:36,311 INFO L93 Difference]: Finished difference Result 352 states and 352 transitions. [2018-10-10 15:47:36,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-10-10 15:47:36,313 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 332 [2018-10-10 15:47:36,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:47:36,337 INFO L225 Difference]: With dead ends: 352 [2018-10-10 15:47:36,337 INFO L226 Difference]: Without dead ends: 352 [2018-10-10 15:47:36,351 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11523 ImplicationChecksByTransitivity, 67.9s TimeCoverageRelationStatistics Valid=5093, Invalid=47119, Unknown=0, NotChecked=0, Total=52212 [2018-10-10 15:47:36,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-10-10 15:47:36,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 345. [2018-10-10 15:47:36,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-10-10 15:47:36,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 345 transitions. [2018-10-10 15:47:36,412 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 345 transitions. Word has length 332 [2018-10-10 15:47:36,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:47:36,414 INFO L481 AbstractCegarLoop]: Abstraction has 345 states and 345 transitions. [2018-10-10 15:47:36,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-10-10 15:47:36,414 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 345 transitions. [2018-10-10 15:47:36,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-10-10 15:47:36,425 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:47:36,425 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:47:36,426 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:47:36,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:47:36,427 INFO L82 PathProgramCache]: Analyzing trace with hash 26090920, now seen corresponding path program 1 times [2018-10-10 15:47:36,429 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:47:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:47:38,949 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2018-10-10 15:47:39,441 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-10-10 15:47:39,828 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2018-10-10 15:47:42,034 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2018-10-10 15:47:43,034 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2018-10-10 15:47:45,621 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2018-10-10 15:47:46,782 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2018-10-10 15:47:55,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:47:55,130 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:47:55,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-10-10 15:47:55,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-10-10 15:47:55,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-10-10 15:47:55,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=10603, Unknown=0, NotChecked=0, Total=10920 [2018-10-10 15:47:55,135 INFO L87 Difference]: Start difference. First operand 345 states and 345 transitions. Second operand 105 states. [2018-10-10 15:48:03,483 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2018-10-10 15:48:03,795 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2018-10-10 15:48:04,115 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2018-10-10 15:48:04,370 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2018-10-10 15:48:04,689 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2018-10-10 15:48:05,029 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2018-10-10 15:48:06,369 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2018-10-10 15:48:07,100 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2018-10-10 15:48:07,484 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2018-10-10 15:48:08,201 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2018-10-10 15:48:08,629 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2018-10-10 15:48:09,083 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2018-10-10 15:48:09,577 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 93 [2018-10-10 15:48:10,287 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 79 [2018-10-10 15:48:10,819 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 95 [2018-10-10 15:48:11,316 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 88 [2018-10-10 15:48:11,780 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 77 [2018-10-10 15:48:12,224 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 83 [2018-10-10 15:48:12,689 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 86 [2018-10-10 15:48:13,029 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2018-10-10 15:48:13,947 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2018-10-10 15:48:14,276 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2018-10-10 15:48:14,894 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2018-10-10 15:48:15,388 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 82 [2018-10-10 15:48:16,024 WARN L178 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 95 [2018-10-10 15:48:16,668 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 100 [2018-10-10 15:48:17,366 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2018-10-10 15:48:17,837 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2018-10-10 15:48:18,989 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 99 [2018-10-10 15:48:19,532 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 108 [2018-10-10 15:48:20,164 WARN L178 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 117 [2018-10-10 15:48:20,637 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 108 [2018-10-10 15:48:21,296 WARN L178 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 115 [2018-10-10 15:48:21,992 WARN L178 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 119 [2018-10-10 15:48:22,950 WARN L178 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 125 [2018-10-10 15:48:23,661 WARN L178 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 129 [2018-10-10 15:48:24,443 WARN L178 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 130 [2018-10-10 15:48:25,250 WARN L178 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 133 [2018-10-10 15:48:26,079 WARN L178 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 99 [2018-10-10 15:48:26,828 WARN L178 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 119 [2018-10-10 15:48:27,420 WARN L178 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 114 [2018-10-10 15:48:28,074 WARN L178 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 117 [2018-10-10 15:48:28,811 WARN L178 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 129 [2018-10-10 15:48:29,728 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 108 [2018-10-10 15:48:30,455 WARN L178 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 136 [2018-10-10 15:48:31,231 WARN L178 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 142 [2018-10-10 15:48:32,439 WARN L178 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 146 [2018-10-10 15:48:33,335 WARN L178 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 159 [2018-10-10 15:48:34,127 WARN L178 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 141 [2018-10-10 15:48:35,028 WARN L178 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 159 [2018-10-10 15:48:35,922 WARN L178 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 118 [2018-10-10 15:48:36,693 WARN L178 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 145 [2018-10-10 15:48:37,292 WARN L178 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 132 [2018-10-10 15:48:37,811 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 108 [2018-10-10 15:48:38,331 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 112 [2018-10-10 15:48:38,882 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 115 [2018-10-10 15:48:39,305 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 106 [2018-10-10 15:48:39,573 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2018-10-10 15:48:39,892 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2018-10-10 15:48:40,395 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2018-10-10 15:48:40,836 WARN L178 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2018-10-10 15:48:41,561 WARN L178 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 86 [2018-10-10 15:48:42,281 WARN L178 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 95 [2018-10-10 15:48:43,140 WARN L178 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 122 [2018-10-10 15:48:43,932 WARN L178 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 129 [2018-10-10 15:48:44,629 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2018-10-10 15:48:45,275 WARN L178 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 118 [2018-10-10 15:48:45,767 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2018-10-10 15:48:47,050 WARN L178 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 127 [2018-10-10 15:48:47,827 WARN L178 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 136 [2018-10-10 15:48:48,661 WARN L178 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2018-10-10 15:48:49,361 WARN L178 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 136 [2018-10-10 15:48:50,145 WARN L178 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 138 [2018-10-10 15:48:50,973 WARN L178 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 140 [2018-10-10 15:48:52,205 WARN L178 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 135 [2018-10-10 15:48:53,038 WARN L178 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 142 [2018-10-10 15:48:53,818 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 106 [2018-10-10 15:48:54,454 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2018-10-10 15:48:55,113 WARN L178 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 128 [2018-10-10 15:48:55,780 WARN L178 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 134 [2018-10-10 15:48:56,616 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 105 [2018-10-10 15:48:57,373 WARN L178 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 133 [2018-10-10 15:48:58,106 WARN L178 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 135 [2018-10-10 15:48:59,130 WARN L178 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 141 [2018-10-10 15:49:00,186 WARN L178 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 144 [2018-10-10 15:49:00,726 WARN L178 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 127 [2018-10-10 15:49:01,325 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2018-10-10 15:49:01,922 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-10-10 15:49:02,331 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2018-10-10 15:49:02,931 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2018-10-10 15:49:03,336 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2018-10-10 15:49:03,708 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2018-10-10 15:49:04,084 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2018-10-10 15:49:04,570 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-10-10 15:49:04,929 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2018-10-10 15:49:05,316 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2018-10-10 15:49:05,746 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2018-10-10 15:49:06,244 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2018-10-10 15:49:06,745 WARN L178 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2018-10-10 15:49:07,424 WARN L178 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2018-10-10 15:49:07,963 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2018-10-10 15:49:08,592 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 123 [2018-10-10 15:49:09,089 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 132 [2018-10-10 15:49:09,802 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 141 [2018-10-10 15:49:10,309 WARN L178 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2018-10-10 15:49:10,724 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2018-10-10 15:49:11,211 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2018-10-10 15:49:11,742 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 114 [2018-10-10 15:49:12,178 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 116 [2018-10-10 15:49:12,834 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2018-10-10 15:49:13,279 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2018-10-10 15:49:13,716 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2018-10-10 15:49:14,149 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2018-10-10 15:49:14,502 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2018-10-10 15:49:15,031 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2018-10-10 15:49:15,626 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2018-10-10 15:49:16,037 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2018-10-10 15:49:16,354 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2018-10-10 15:49:16,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:49:16,429 INFO L93 Difference]: Finished difference Result 364 states and 364 transitions. [2018-10-10 15:49:16,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-10-10 15:49:16,429 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 344 [2018-10-10 15:49:16,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:49:16,434 INFO L225 Difference]: With dead ends: 364 [2018-10-10 15:49:16,434 INFO L226 Difference]: Without dead ends: 364 [2018-10-10 15:49:16,441 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 3 SyntacticMatches, 7 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14369 ImplicationChecksByTransitivity, 76.3s TimeCoverageRelationStatistics Valid=6177, Invalid=57075, Unknown=0, NotChecked=0, Total=63252 [2018-10-10 15:49:16,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-10-10 15:49:16,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2018-10-10 15:49:16,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-10-10 15:49:16,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 357 transitions. [2018-10-10 15:49:16,459 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 357 transitions. Word has length 344 [2018-10-10 15:49:16,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:49:16,460 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 357 transitions. [2018-10-10 15:49:16,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-10-10 15:49:16,460 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 357 transitions. [2018-10-10 15:49:16,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-10-10 15:49:16,467 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:49:16,467 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:49:16,468 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:49:16,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:49:16,468 INFO L82 PathProgramCache]: Analyzing trace with hash 611678333, now seen corresponding path program 2 times [2018-10-10 15:49:16,469 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:49:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:49:31,762 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:49:31,762 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:49:31,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-10-10 15:49:31,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-10-10 15:49:31,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-10-10 15:49:31,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=10016, Unknown=0, NotChecked=0, Total=10302 [2018-10-10 15:49:31,765 INFO L87 Difference]: Start difference. First operand 357 states and 357 transitions. Second operand 102 states. [2018-10-10 15:49:42,576 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2018-10-10 15:49:42,906 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2018-10-10 15:49:43,327 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2018-10-10 15:49:43,762 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2018-10-10 15:49:44,425 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 67 [2018-10-10 15:49:44,865 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 81 [2018-10-10 15:49:45,189 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 75 [2018-10-10 15:49:45,600 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 77 [2018-10-10 15:49:45,945 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2018-10-10 15:49:46,383 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2018-10-10 15:49:46,843 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2018-10-10 15:49:47,163 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2018-10-10 15:49:48,074 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2018-10-10 15:49:48,411 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2018-10-10 15:49:49,046 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 78 [2018-10-10 15:49:49,568 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 91 [2018-10-10 15:49:50,187 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 103 [2018-10-10 15:49:50,751 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 108 [2018-10-10 15:49:51,665 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2018-10-10 15:49:52,110 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2018-10-10 15:49:53,333 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 105 [2018-10-10 15:49:53,906 WARN L178 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2018-10-10 15:49:54,515 WARN L178 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 131 [2018-10-10 15:49:54,968 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2018-10-10 15:49:55,559 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 120 [2018-10-10 15:49:56,199 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2018-10-10 15:49:57,073 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 123 [2018-10-10 15:49:57,712 WARN L178 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 127 [2018-10-10 15:49:58,421 WARN L178 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 129 [2018-10-10 15:49:59,216 WARN L178 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 132 [2018-10-10 15:50:00,063 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 101 [2018-10-10 15:50:00,718 WARN L178 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 121 [2018-10-10 15:50:01,246 WARN L178 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 115 [2018-10-10 15:50:01,823 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 118 [2018-10-10 15:50:02,504 WARN L178 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 134 [2018-10-10 15:50:03,387 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 114 [2018-10-10 15:50:04,126 WARN L178 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 149 [2018-10-10 15:50:05,378 WARN L178 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 153 [2018-10-10 15:50:06,279 WARN L178 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 170 [2018-10-10 15:50:07,006 WARN L178 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 138 [2018-10-10 15:50:07,847 WARN L178 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 161 [2018-10-10 15:50:08,805 WARN L178 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 116 [2018-10-10 15:50:09,560 WARN L178 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 148 [2018-10-10 15:50:10,132 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 131 [2018-10-10 15:50:10,707 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 110 [2018-10-10 15:50:11,256 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 112 [2018-10-10 15:50:11,944 WARN L178 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 117 [2018-10-10 15:50:12,485 WARN L178 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 108 [2018-10-10 15:50:12,754 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2018-10-10 15:50:13,081 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2018-10-10 15:50:13,504 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 77 [2018-10-10 15:50:13,952 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2018-10-10 15:50:14,684 WARN L178 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2018-10-10 15:50:15,294 WARN L178 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 95 [2018-10-10 15:50:16,111 WARN L178 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 126 [2018-10-10 15:50:16,892 WARN L178 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 133 [2018-10-10 15:50:17,561 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2018-10-10 15:50:18,068 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 118 [2018-10-10 15:50:18,559 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2018-10-10 15:50:19,702 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 127 [2018-10-10 15:50:20,298 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 136 [2018-10-10 15:50:20,932 WARN L178 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 145 [2018-10-10 15:50:21,459 WARN L178 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 136 [2018-10-10 15:50:22,166 WARN L178 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 138 [2018-10-10 15:50:23,213 WARN L178 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 135 [2018-10-10 15:50:23,883 WARN L178 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 142 [2018-10-10 15:50:24,681 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2018-10-10 15:50:25,321 WARN L178 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 133 [2018-10-10 15:50:25,977 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 126 [2018-10-10 15:50:26,622 WARN L178 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 128 [2018-10-10 15:50:27,454 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 93 [2018-10-10 15:50:28,076 WARN L178 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 121 [2018-10-10 15:50:28,708 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 124 [2018-10-10 15:50:29,766 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 132 [2018-10-10 15:50:30,600 WARN L178 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 135 [2018-10-10 15:50:31,157 WARN L178 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 122 [2018-10-10 15:50:31,777 WARN L178 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 126 [2018-10-10 15:50:32,063 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2018-10-10 15:50:32,441 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2018-10-10 15:50:32,817 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2018-10-10 15:50:33,483 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2018-10-10 15:50:33,948 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2018-10-10 15:50:34,377 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2018-10-10 15:50:34,825 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2018-10-10 15:50:35,385 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2018-10-10 15:50:35,807 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2018-10-10 15:50:36,262 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2018-10-10 15:50:36,750 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2018-10-10 15:50:37,301 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 136 [2018-10-10 15:50:37,892 WARN L178 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 142 [2018-10-10 15:50:38,624 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 147 [2018-10-10 15:50:39,209 WARN L178 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 149 [2018-10-10 15:50:39,962 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 143 [2018-10-10 15:50:40,550 WARN L178 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2018-10-10 15:50:41,163 WARN L178 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 171 [2018-10-10 15:50:41,761 WARN L178 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 164 [2018-10-10 15:50:42,245 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 150 [2018-10-10 15:50:42,791 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 146 [2018-10-10 15:50:43,370 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 137 [2018-10-10 15:50:43,870 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 139 [2018-10-10 15:50:44,530 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2018-10-10 15:50:45,004 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2018-10-10 15:50:45,489 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2018-10-10 15:50:45,975 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 131 [2018-10-10 15:50:46,381 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2018-10-10 15:50:47,025 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2018-10-10 15:50:47,501 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2018-10-10 15:50:48,169 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2018-10-10 15:50:48,646 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2018-10-10 15:50:49,127 WARN L178 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2018-10-10 15:50:49,617 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2018-10-10 15:50:50,010 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2018-10-10 15:50:50,625 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2018-10-10 15:50:51,305 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2018-10-10 15:50:51,787 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2018-10-10 15:50:52,175 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2018-10-10 15:50:52,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:50:52,259 INFO L93 Difference]: Finished difference Result 376 states and 376 transitions. [2018-10-10 15:50:52,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-10-10 15:50:52,260 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 356 [2018-10-10 15:50:52,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:50:52,263 INFO L225 Difference]: With dead ends: 376 [2018-10-10 15:50:52,263 INFO L226 Difference]: Without dead ends: 376 [2018-10-10 15:50:52,266 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 7 SyntacticMatches, 5 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13400 ImplicationChecksByTransitivity, 70.6s TimeCoverageRelationStatistics Valid=5431, Invalid=56819, Unknown=0, NotChecked=0, Total=62250 [2018-10-10 15:50:52,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-10-10 15:50:52,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 369. [2018-10-10 15:50:52,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-10-10 15:50:52,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 369 transitions. [2018-10-10 15:50:52,285 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 369 transitions. Word has length 356 [2018-10-10 15:50:52,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:50:52,286 INFO L481 AbstractCegarLoop]: Abstraction has 369 states and 369 transitions. [2018-10-10 15:50:52,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-10-10 15:50:52,286 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 369 transitions. [2018-10-10 15:50:52,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-10-10 15:50:52,289 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:50:52,291 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:50:52,291 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:50:52,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:50:52,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1473627182, now seen corresponding path program 3 times [2018-10-10 15:50:52,292 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:50:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:50:55,950 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2018-10-10 15:50:56,506 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2018-10-10 15:50:56,837 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2018-10-10 15:50:57,303 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2018-10-10 15:50:57,516 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2018-10-10 15:50:57,723 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2018-10-10 15:50:57,944 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2018-10-10 15:50:58,160 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 48 [2018-10-10 15:50:58,403 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 50 [2018-10-10 15:50:58,626 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 48 [2018-10-10 15:50:58,893 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 52 [2018-10-10 15:50:59,345 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2018-10-10 15:50:59,592 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2018-10-10 15:51:01,227 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2018-10-10 15:51:01,844 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2018-10-10 15:51:02,507 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2018-10-10 15:51:02,961 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2018-10-10 15:51:03,245 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2018-10-10 15:51:04,049 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2018-10-10 15:51:04,515 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2018-10-10 15:51:05,017 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2018-10-10 15:51:11,669 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:51:11,670 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:51:11,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-10-10 15:51:11,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-10-10 15:51:11,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-10-10 15:51:11,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=12525, Unknown=0, NotChecked=0, Total=12882 [2018-10-10 15:51:11,671 INFO L87 Difference]: Start difference. First operand 369 states and 369 transitions. Second operand 114 states. [2018-10-10 15:51:19,742 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2018-10-10 15:51:20,069 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2018-10-10 15:51:20,633 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2018-10-10 15:51:20,971 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2018-10-10 15:51:22,302 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2018-10-10 15:51:23,110 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2018-10-10 15:51:23,526 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2018-10-10 15:51:24,308 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2018-10-10 15:51:24,747 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2018-10-10 15:51:25,220 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2018-10-10 15:51:25,724 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2018-10-10 15:51:26,532 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2018-10-10 15:51:27,060 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 95 [2018-10-10 15:51:27,467 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 88 [2018-10-10 15:51:27,933 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 77 [2018-10-10 15:51:28,388 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 81 [2018-10-10 15:51:28,857 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2018-10-10 15:51:29,195 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2018-10-10 15:51:29,667 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2018-10-10 15:51:30,103 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2018-10-10 15:51:30,469 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2018-10-10 15:51:31,128 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2018-10-10 15:51:31,680 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2018-10-10 15:51:32,411 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 101 [2018-10-10 15:51:33,075 WARN L178 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 106 [2018-10-10 15:51:33,878 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2018-10-10 15:51:34,430 WARN L178 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2018-10-10 15:51:35,793 WARN L178 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 108 [2018-10-10 15:51:36,459 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 117 [2018-10-10 15:51:37,199 WARN L178 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 128 [2018-10-10 15:51:37,780 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 117 [2018-10-10 15:51:38,521 WARN L178 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 125 [2018-10-10 15:51:39,274 WARN L178 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 127 [2018-10-10 15:51:40,313 WARN L178 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 132 [2018-10-10 15:51:41,143 WARN L178 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2018-10-10 15:51:42,013 WARN L178 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 138 [2018-10-10 15:51:42,956 WARN L178 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 142 [2018-10-10 15:51:43,919 WARN L178 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 106 [2018-10-10 15:51:44,699 WARN L178 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 128 [2018-10-10 15:51:45,326 WARN L178 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 122 [2018-10-10 15:51:46,034 WARN L178 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 123 [2018-10-10 15:51:46,827 WARN L178 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 139 [2018-10-10 15:51:47,827 WARN L178 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 118 [2018-10-10 15:51:48,656 WARN L178 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 149 [2018-10-10 15:51:49,601 WARN L178 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 153 [2018-10-10 15:51:50,961 WARN L178 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 157 [2018-10-10 15:51:52,011 WARN L178 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 172 [2018-10-10 15:51:52,924 WARN L178 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 149 [2018-10-10 15:51:53,959 WARN L178 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 168 [2018-10-10 15:51:55,038 WARN L178 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 125 [2018-10-10 15:51:56,101 WARN L178 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 153 [2018-10-10 15:51:56,964 WARN L178 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 138 [2018-10-10 15:51:57,590 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 111 [2018-10-10 15:51:58,335 WARN L178 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 115 [2018-10-10 15:51:59,096 WARN L178 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 118 [2018-10-10 15:52:00,255 WARN L178 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 109 [2018-10-10 15:52:00,824 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2018-10-10 15:52:01,325 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2018-10-10 15:52:01,738 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2018-10-10 15:52:02,404 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 91 [2018-10-10 15:52:02,967 WARN L178 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 101 [2018-10-10 15:52:03,734 WARN L178 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 130 [2018-10-10 15:52:04,434 WARN L178 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 137 [2018-10-10 15:52:05,170 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2018-10-10 15:52:05,738 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 121 [2018-10-10 15:52:06,299 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 114 [2018-10-10 15:52:07,550 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 134 [2018-10-10 15:52:08,247 WARN L178 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 144 [2018-10-10 15:52:09,017 WARN L178 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 154 [2018-10-10 15:52:09,638 WARN L178 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 144 [2018-10-10 15:52:10,329 WARN L178 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 146 [2018-10-10 15:52:11,074 WARN L178 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2018-10-10 15:52:12,232 WARN L178 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 144 [2018-10-10 15:52:13,042 WARN L178 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 153 [2018-10-10 15:52:13,923 WARN L178 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 111 [2018-10-10 15:52:14,684 WARN L178 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 142 [2018-10-10 15:52:15,437 WARN L178 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 133 [2018-10-10 15:52:16,232 WARN L178 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 139 [2018-10-10 15:52:17,133 WARN L178 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 108 [2018-10-10 15:52:17,872 WARN L178 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 138 [2018-10-10 15:52:18,650 WARN L178 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 140 [2018-10-10 15:52:19,813 WARN L178 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 146 [2018-10-10 15:52:20,821 WARN L178 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 149 [2018-10-10 15:52:21,392 WARN L178 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 134 [2018-10-10 15:52:22,036 WARN L178 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 138 [2018-10-10 15:52:22,283 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2018-10-10 15:52:22,628 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2018-10-10 15:52:22,975 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2018-10-10 15:52:23,577 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2018-10-10 15:52:24,033 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2018-10-10 15:52:24,440 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2018-10-10 15:52:24,846 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2018-10-10 15:52:25,326 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2018-10-10 15:52:25,690 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2018-10-10 15:52:26,091 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2018-10-10 15:52:26,541 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2018-10-10 15:52:27,061 WARN L178 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 149 [2018-10-10 15:52:27,611 WARN L178 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 155 [2018-10-10 15:52:28,278 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 164 [2018-10-10 15:52:28,853 WARN L178 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 166 [2018-10-10 15:52:29,508 WARN L178 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 160 [2018-10-10 15:52:30,094 WARN L178 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 178 [2018-10-10 15:52:30,746 WARN L178 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 196 [2018-10-10 15:52:31,369 WARN L178 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2018-10-10 15:52:31,860 WARN L178 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 172 [2018-10-10 15:52:32,402 WARN L178 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 169 [2018-10-10 15:52:32,939 WARN L178 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 160 [2018-10-10 15:52:33,422 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2018-10-10 15:52:33,994 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 141 [2018-10-10 15:52:34,441 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 151 [2018-10-10 15:52:34,914 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 161 [2018-10-10 15:52:35,395 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 156 [2018-10-10 15:52:35,794 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 146 [2018-10-10 15:52:36,355 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2018-10-10 15:52:36,788 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 142 [2018-10-10 15:52:37,344 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2018-10-10 15:52:37,771 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2018-10-10 15:52:38,215 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2018-10-10 15:52:38,666 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2018-10-10 15:52:39,036 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2018-10-10 15:52:39,563 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2018-10-10 15:52:39,973 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 130 [2018-10-10 15:52:40,503 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 124 [2018-10-10 15:52:40,918 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 127 [2018-10-10 15:52:41,338 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 130 [2018-10-10 15:52:41,769 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 127 [2018-10-10 15:52:42,124 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 124 [2018-10-10 15:52:42,654 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 119 [2018-10-10 15:52:43,225 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2018-10-10 15:52:43,706 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2018-10-10 15:52:44,081 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 110 [2018-10-10 15:52:44,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:52:44,143 INFO L93 Difference]: Finished difference Result 388 states and 388 transitions. [2018-10-10 15:52:44,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2018-10-10 15:52:44,144 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 368 [2018-10-10 15:52:44,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:52:44,146 INFO L225 Difference]: With dead ends: 388 [2018-10-10 15:52:44,146 INFO L226 Difference]: Without dead ends: 388 [2018-10-10 15:52:44,148 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 3 SyntacticMatches, 7 SemanticMatches, 273 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19745 ImplicationChecksByTransitivity, 86.3s TimeCoverageRelationStatistics Valid=6482, Invalid=68868, Unknown=0, NotChecked=0, Total=75350 [2018-10-10 15:52:44,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-10-10 15:52:44,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 381. [2018-10-10 15:52:44,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-10-10 15:52:44,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 381 transitions. [2018-10-10 15:52:44,167 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 381 transitions. Word has length 368 [2018-10-10 15:52:44,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:52:44,167 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 381 transitions. [2018-10-10 15:52:44,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-10-10 15:52:44,168 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 381 transitions. [2018-10-10 15:52:44,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-10-10 15:52:44,174 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:52:44,174 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:52:44,174 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:52:44,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:52:44,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1028892583, now seen corresponding path program 4 times [2018-10-10 15:52:44,176 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:52:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:52:44,892 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-10 15:52:52,010 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2018-10-10 15:52:52,253 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2018-10-10 15:52:52,500 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2018-10-10 15:52:54,003 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2018-10-10 15:52:54,819 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2018-10-10 15:52:55,312 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2018-10-10 15:52:55,847 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2018-10-10 15:52:56,309 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2018-10-10 15:53:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:53:03,487 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:53:03,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-10-10 15:53:03,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-10-10 15:53:03,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-10-10 15:53:03,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=13438, Unknown=0, NotChecked=0, Total=13806 [2018-10-10 15:53:03,489 INFO L87 Difference]: Start difference. First operand 381 states and 381 transitions. Second operand 118 states. [2018-10-10 15:53:12,166 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2018-10-10 15:53:12,512 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2018-10-10 15:53:12,755 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2018-10-10 15:53:13,099 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2018-10-10 15:53:13,450 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2018-10-10 15:53:14,869 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2018-10-10 15:53:15,768 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 70 [2018-10-10 15:53:16,255 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2018-10-10 15:53:17,146 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 79 [2018-10-10 15:53:17,653 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 83 [2018-10-10 15:53:18,196 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 91 [2018-10-10 15:53:18,769 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 93 [2018-10-10 15:53:19,620 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2018-10-10 15:53:20,223 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 95 [2018-10-10 15:53:20,680 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 88 [2018-10-10 15:53:21,174 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 77 [2018-10-10 15:53:21,674 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 81 [2018-10-10 15:53:22,184 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2018-10-10 15:53:22,548 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2018-10-10 15:53:23,470 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 63 [2018-10-10 15:53:23,824 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2018-10-10 15:53:24,501 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 74 [2018-10-10 15:53:25,023 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2018-10-10 15:53:25,701 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 96 [2018-10-10 15:53:26,353 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 101 [2018-10-10 15:53:27,144 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2018-10-10 15:53:27,644 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 90 [2018-10-10 15:53:29,003 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 99 [2018-10-10 15:53:29,577 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 108 [2018-10-10 15:53:30,221 WARN L178 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2018-10-10 15:53:30,725 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 108 [2018-10-10 15:53:31,359 WARN L178 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 115 [2018-10-10 15:53:32,060 WARN L178 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 119 [2018-10-10 15:53:33,080 WARN L178 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 125 [2018-10-10 15:53:33,815 WARN L178 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 129 [2018-10-10 15:53:34,614 WARN L178 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 130 [2018-10-10 15:53:35,454 WARN L178 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 133 [2018-10-10 15:53:36,390 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 99 [2018-10-10 15:53:37,118 WARN L178 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 119 [2018-10-10 15:53:37,737 WARN L178 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 114 [2018-10-10 15:53:38,435 WARN L178 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 117 [2018-10-10 15:53:39,205 WARN L178 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 129 [2018-10-10 15:53:40,188 WARN L178 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 108 [2018-10-10 15:53:40,970 WARN L178 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 136 [2018-10-10 15:53:41,812 WARN L178 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 140 [2018-10-10 15:53:43,119 WARN L178 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 144 [2018-10-10 15:53:44,116 WARN L178 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 157 [2018-10-10 15:53:44,988 WARN L178 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 139 [2018-10-10 15:53:45,995 WARN L178 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 158 [2018-10-10 15:53:47,066 WARN L178 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2018-10-10 15:53:48,143 WARN L178 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 149 [2018-10-10 15:53:49,021 WARN L178 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 136 [2018-10-10 15:53:49,655 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 112 [2018-10-10 15:53:50,255 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 116 [2018-10-10 15:53:50,896 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 119 [2018-10-10 15:53:51,380 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 110 [2018-10-10 15:53:51,636 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2018-10-10 15:53:52,024 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2018-10-10 15:53:52,593 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 78 [2018-10-10 15:53:53,045 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 80 [2018-10-10 15:53:53,769 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 95 [2018-10-10 15:53:54,385 WARN L178 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 105 [2018-10-10 15:53:55,228 WARN L178 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 135 [2018-10-10 15:53:56,016 WARN L178 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 142 [2018-10-10 15:53:56,824 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2018-10-10 15:53:57,457 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 124 [2018-10-10 15:53:58,082 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 117 [2018-10-10 15:53:59,418 WARN L178 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 134 [2018-10-10 15:54:00,178 WARN L178 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 149 [2018-10-10 15:54:01,014 WARN L178 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 159 [2018-10-10 15:54:01,703 WARN L178 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 149 [2018-10-10 15:54:02,478 WARN L178 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 151 [2018-10-10 15:54:03,269 WARN L178 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 153 [2018-10-10 15:54:04,470 WARN L178 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 149 [2018-10-10 15:54:05,330 WARN L178 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 157 [2018-10-10 15:54:06,250 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2018-10-10 15:54:07,056 WARN L178 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 148 [2018-10-10 15:54:07,840 WARN L178 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 140 [2018-10-10 15:54:08,654 WARN L178 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 146 [2018-10-10 15:54:09,643 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 109 [2018-10-10 15:54:10,439 WARN L178 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 141 [2018-10-10 15:54:11,261 WARN L178 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 143 [2018-10-10 15:54:12,526 WARN L178 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 156 [2018-10-10 15:54:13,663 WARN L178 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 166 [2018-10-10 15:54:14,283 WARN L178 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2018-10-10 15:54:14,958 WARN L178 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 140 [2018-10-10 15:54:15,218 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2018-10-10 15:54:15,602 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2018-10-10 15:54:15,980 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2018-10-10 15:54:16,603 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 116 [2018-10-10 15:54:17,094 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 141 [2018-10-10 15:54:17,553 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 121 [2018-10-10 15:54:18,028 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 123 [2018-10-10 15:54:18,579 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2018-10-10 15:54:19,009 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 104 [2018-10-10 15:54:19,480 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 110 [2018-10-10 15:54:20,008 WARN L178 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 138 [2018-10-10 15:54:20,612 WARN L178 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 163 [2018-10-10 15:54:21,238 WARN L178 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 169 [2018-10-10 15:54:21,990 WARN L178 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 183 [2018-10-10 15:54:22,637 WARN L178 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 185 [2018-10-10 15:54:23,382 WARN L178 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 179 [2018-10-10 15:54:24,056 WARN L178 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 201 [2018-10-10 15:54:24,819 WARN L178 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2018-10-10 15:54:25,507 WARN L178 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2018-10-10 15:54:26,076 WARN L178 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 194 [2018-10-10 15:54:26,707 WARN L178 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2018-10-10 15:54:27,336 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 182 [2018-10-10 15:54:27,917 WARN L178 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 184 [2018-10-10 15:54:28,582 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 159 [2018-10-10 15:54:29,100 WARN L178 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 173 [2018-10-10 15:54:29,678 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 187 [2018-10-10 15:54:30,226 WARN L178 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 182 [2018-10-10 15:54:30,683 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 168 [2018-10-10 15:54:31,329 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 162 [2018-10-10 15:54:31,832 WARN L178 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 164 [2018-10-10 15:54:32,466 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 150 [2018-10-10 15:54:32,967 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 160 [2018-10-10 15:54:33,481 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 170 [2018-10-10 15:54:33,998 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 166 [2018-10-10 15:54:34,436 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2018-10-10 15:54:35,045 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 150 [2018-10-10 15:54:35,528 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 152 [2018-10-10 15:54:36,131 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 142 [2018-10-10 15:54:36,614 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 148 [2018-10-10 15:54:37,098 WARN L178 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 154 [2018-10-10 15:54:37,584 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 150 [2018-10-10 15:54:38,024 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 144 [2018-10-10 15:54:38,681 WARN L178 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 138 [2018-10-10 15:54:39,139 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 140 [2018-10-10 15:54:39,748 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 134 [2018-10-10 15:54:40,220 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 137 [2018-10-10 15:54:40,696 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 140 [2018-10-10 15:54:41,174 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 137 [2018-10-10 15:54:41,576 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 134 [2018-10-10 15:54:42,170 WARN L178 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 129 [2018-10-10 15:54:42,803 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 126 [2018-10-10 15:54:43,340 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 123 [2018-10-10 15:54:43,776 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 120 [2018-10-10 15:54:43,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:54:43,842 INFO L93 Difference]: Finished difference Result 400 states and 400 transitions. [2018-10-10 15:54:43,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2018-10-10 15:54:43,844 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 380 [2018-10-10 15:54:43,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:54:43,846 INFO L225 Difference]: With dead ends: 400 [2018-10-10 15:54:43,847 INFO L226 Difference]: Without dead ends: 400 [2018-10-10 15:54:43,849 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 4 SyntacticMatches, 9 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21618 ImplicationChecksByTransitivity, 91.6s TimeCoverageRelationStatistics Valid=6711, Invalid=74799, Unknown=0, NotChecked=0, Total=81510 [2018-10-10 15:54:43,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2018-10-10 15:54:43,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 393. [2018-10-10 15:54:43,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-10-10 15:54:43,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 393 transitions. [2018-10-10 15:54:43,856 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 393 transitions. Word has length 380 [2018-10-10 15:54:43,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:54:43,857 INFO L481 AbstractCegarLoop]: Abstraction has 393 states and 393 transitions. [2018-10-10 15:54:43,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-10-10 15:54:43,857 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 393 transitions. [2018-10-10 15:54:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-10-10 15:54:43,859 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:54:43,860 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:54:43,860 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:54:43,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:54:43,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1816593412, now seen corresponding path program 5 times [2018-10-10 15:54:43,861 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:54:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat