details

property	value
status	complete
benchmark	zlib-crc32-BYFOUR.c.t2.smt2
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n141.star.cs.uiowa.edu
space	From_T2

run statistics

property	value
solver	irankfinder
configuration	competition
runtime (wallclock)	19.5805 seconds
cpu usage	19.1306
user time	19.0196
system time	0.111014
max virtual memory	721608.0
max residence set size	47664.0

stage attributes

key	value
starexec-result	NO

output

NO Termination: (Ranking Functions Found) ------------ l26: < < x5_0 > > l27: < < x5_0 > > NON-Termination: ---------------- SCC: +--transitions: t2,t4 +--nodes: l3,l4 Closed walk: 2 -> t4, t2 deterministic: Forced for: X15, X14, X13, X9, X8, X7, X2, X9, oldX9_post, oldX8_post, oldX7_post, oldX3_post, oldX2_post, oldX1_post, oldX0_post Reachability checked! - Recurrent Set Found: { x6_post == 0, x5_post == 0, x4_post == 0, -1 + x3_post == 0, x2_post == 0, x1_post == 0, x0_post == 0, oldX9_post == 0, oldX8_post == 0, oldX7_post == 0, oldX6_post == 0, oldX5_post == 0, oldX4_post == 0, -1 + oldX3_post == 0, oldX2_post == 0, oldX1_post == 0, oldX13_0 -oldX13_post == 0, oldX12_0 -oldX12_post == 0, oldX11_0 -oldX11_post == 0, oldX10_0 -oldX10_post == 0, oldX0_post == 0, __const_32_post == 0, __const_31_0 -__const_31_post == 0, X22 == 0, X21 == 0, X20 == 0, -1 + X19 == 0, X18 == 0, X17 == 0, X16 == 0, X15 == 0, X14 == 0, X13 == 0, x6_0 -X12 == 0, x5_0 -X11 == 0, x4_0 -X10 == 0, -1 + X9 == 0, X8 == 0, X7 == 0, oldX13_0 -X6 == 0, oldX12_0 -X5 == 0, oldX11_0 -X4 == 0, oldX10_0 -X3 == 0, X2 == 0, X1 == 0, __const_31_0 -X0 == 0, -1 + x3_0 == 0, x2_0 == 0, x1_0 == 0, x0_0 == 0, __const_32_0 == 0, -__const_31_0 >= 0 } Connected Subgraphs where we couldn't prove Termination: -------------------------------------------------------- SCC: +--transitions: t14,t15 +--nodes: l11,l12 SCC: +--transitions: t18,t20 +--nodes: l14,l15 SCC: +--transitions: t21,t23 +--nodes: l16,l17 SCC: +--transitions: t10,t5,t7,t8 +--nodes: l5,l6,l7 SCC: +--transitions: t24,t27,t28,t30 +--nodes: l18,l19,l21 SCC: +--transitions: t1,t39 +--nodes: l0,l2 SCC: +--transitions: t36 +--nodes: l26,l27 method 1 popout

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